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 Mathematics  Form 3  Chapter 3 Consumer Mathematics: Saving and Invesments, Credits and Debts     Mathematics  Form 3  Chapter 3 Consumer Mathematics: Saving and Invesments, Credits and Debts
  10.  (a)  FALSE   (b)  TRUE     (ii)  Outstanding balance  (b)  (i)  Total repayment
 (c)  TRUE    (d)  TRUE   = RM308.82 – RM16                         = RM40 000 + (RM40 000 × 0.05 × 4)
                  = RM292.82                                        = RM48 000
   11.            Finance charge                                                  RM48 000
 Make personal budget.  Always late in making repayment.  Start saving.  Instalment  =
 Membuat belanjawan peribadi.  Selalu membuat pembayaran balik dengan lewat.  Memulakan simpanan.  18  18  4 × 12
                    
                  =  RM308.82 ×       ×                                       = RM1 000
                                 100    365                     (ii)  Total repayment
                                    18     20
                     + (RM292.82 ×       ×                         = RM40 000 + (RM40 000 × 0.05 × 3)
                                    100    365
 Smart management of credits and debts.         = RM2.74 + RM2.89   = RM46 000
 Pengurusan kredit dan hutang yang bijak.                                         RM46 000
                  = RM5.63                                          Instalment  =
                                                                                    3 × 12
                  Late payment charge = RM0                                    = RM1 277.78
                  Current amount                                    Amount James needs to top up
 Use auto billing to pay bill.  Manage credit card wisely.  Excessive loan.  = RM292.82 + RM5.63+ RM0  = RM1 277.78 – RM1 000
 Membayar bil secara automatik.  Menguruskan kad kredit dengan bijak.  Meminjam dengan banyak.  = RM298.45     = RM277.78
       15. (a)  Total repayment                                                           Total
              = RM110 000 + (RM110 000 × 0.05 × 9)                                1    repayment
  12.             Late payment charge = RM0     = RM159 500  (c)  (i)     4 200 ×   =    7 × 12
                                                                                  4
                                                                                         Total
 A            Current amount in April statement      Instalment =   RM159 500         repayment
           = RM1 710 + RM30.60 + 0  9 × 12                                    1 050 =
          = RM1 740.60      = RM1 476.85                                                  84
 Weakness   (b)  Total repayment                                    Total repayment = RM88 200
 of credit   (b)  (i)  Finance charge   46         = RM80 000 + (RM80 000 × 0.07 × 5)  Let r = annual interest rate
 1.5
 card usage  = RM2 500 ×  100  ×   30         = RM108 000           RM88 200 = RM64 000 +
 Kekurangan                                                                      (RM64 000 × r × 7)
 penggunaan   = RM57.50     Instalment =   RM108 000                         r = 0.054
 kad kredit  D  Late payment charge   5 × 12                                 r = 5.4%
 C  = (RM2 500 + RM57.50) × 1%  = RM1 800
 = RM25.58        (c) Total repayment                           (ii)  Total repayment
              = RM50 000 + (RM50 000 × 0.06 × 4)                    = RM64 000 + (RM64 000 × 0.035
 Current amount in May statement            = RM62 000                 × 5)
              = RM2 500 + RM57.50 + RM25.58  RM62 000               = RM75 200
  13.  (a)  Finance charge                = RM2 583.08         Instalment  =   4 × 12  RM75 200
    Caj kewangan                                                    Instalment  =
    (ii)  Additional repayment amount          = RM1 291.67                         5 × 12
 (b)  Late payment charge  = RM2 583.08 – RM2 500                              = RM1 253.33
    Caj bayaran lewat   16.  (a)  (i)  Total repayment
        = RM83.08  = RM81 000 + (RM81 000 × 0.08 × 5)               Dahniah cannot shorten the loan
 (c)  Total amount of outstanding balance                           period because the instalment for 5
    Jumlah baki tertunggak  (c)  (i)  USD1.00 = RM3.92  = RM113 400  years is more than   of her salary.
                                                                                      1
  14.  (a)  Outstanding balance  Toy price in Ringgit Malaysia  Instalment  =   RM113 400  4
                                   5 × 12
         = RM1 800 – RM90  = USD78 ×   RM3.92      = RM1 890
         = RM1 710  USD1.00
 = RM305.76     (ii)  Let t  = new loan period
         Finance charge  Current amount on July statement  = RM81 000 + (RM81 000
 
 1.5
         =  RM1 800 ×   100   ×   15                        = RM305.76 + (RM305.76 × 1%)     × 0.08 × t)
                        = RM81 000 + 6 480t
 30
 = RM308.82
 1.5
 
        +  RM1 710 ×   100   ×   20   1 290 =   RM81 000 + 6 480t
                                   t × 12
 30
         = RM13.50 + RM17.10  15 480t = 81 000 + 6 480t
         = RM30.60                t = 9 years


 11  © Penerbitan Pelangi Sdn. Bhd.  © Penerbitan Pelangi Sdn. Bhd.  12

 A7



 BOOKLET ANS MATH F3.indd   7                                                             03/01/2020   10:20 AM
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