Page 10 - Math Notion Workbook
P. 10

Math Notion Workbook


               Answers of Worksheets – Chapter 1




                Writing Ratios

                 1)   80 dollars , 20.00 dollars per chair       4)  12" of snow , 0.5 inches of snow per hour
                     4 books                                         24 hours
                 2)   125 miles , 5 miles per gallon             5)   14 dimes 1
                                                                            ,   per dime
                    25 gallons                                     112 dimes 8
                 3)   147 miles , 21 miles per hour              6)   30 feet 1
                                                                         ,   per foot
                     7 hours                                        90 feet 3
                                                      7
                                                                                       3
                 7)                               9)                               11)
                                                     25                                5
                    1
                 8)                                  1                                 1
                    3                            10)                               12)
                                                     4                                 11
                Reduce each Ratio
                 1)  7: 2                         7) 2: 11                          13)  1: 3
                 2) 7: 5                          8) 8: 9                           14)  2: 9

                 3) 4: 9                          9) 7: 4                           15)  4: 7

                 4) 1: 15                         10)  2: 3                         16)  2: 11

                 5) 1: 8                          11)  7: 11                        17)  1: 2

                 6) 2: 5                          12)  1: 9                         18)  1: 5
                Create a Proportion

                 1) 2: 6 = 3: 9                   4) 1: 10 = 20: 200                7) 8: 24 =7: 21

                 2) 5: 25 = 11: 55                5) 2: 16=4: 32                    8) 12: 24 =15: 30
                 3) 7: 49 = 12: 84                6) 4: 12 =6: 18                   9) 3: 27 =9: 81

                Similar Figures

                 1) 6                             2) 4                              3) 2

                Ratio and Rates Word Problems

                 1)  The ratio for both classes is equal to 7 to 3.
                 2)  128

                 3)  The price at the second Market is a better buy.

                 4)  $24.5
                 5)  165, the rate is 27.5 per hour.
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