Page 409 - Math Smart - 7
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A school has the following number of teachers.
Subject Number of teachers
Mathematics 8
English 4
History 3
Accountancy 2
Biology 4
Physical Science 5
information Technology 9
a) Draw a vertical bar chart to represent this data.
b) How many teachers are there altogether?
c) How many teachers teach History?
d) Which subject has the least number of teachers?
e) Which subject has the greatest number of teachers?
f) How many more Information Technology teachers are there than Mathematics teachers?
The bar-line graph shows the value of the average monthly sales for 15 companies.
Monthly sales
Value Shop
Sizzling Steaks
Fav Grocery
Saladgo
DIY Homefix
Techno Loop
FF Fashion
Company dreamy Cafe
Babyland
Mrs Heels
Photo Flash
Bloom Laundry
Daily Scoop
Swim Paradise
Charles Burger
$1000 $2000 $3000
Sales value
a) What was the value of the sales of Mrs Heels?
b) Which company had a sale value of $3750?
c) Which two companies had the same sales value?
d) What is the difference between the sales value of Fav Grocery and Swim Paradise?
e) Which company had the lowest value of sales?
f) Which company had the highest value of sales?
g) Which company would you invest in? Explain your answer.
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