Ratio and Proportion
Number of boys 15 20 55 35
Number of girls 8 44 20 4
(2) The following table shows the eggs and flower needed
to bake a
chocolate cake. Knowing that the ingredients
are in
proportion, complete the table.
Number of eggs 3 9 33 39
Flower (kg) 0.5 1 2 2.5
(3) The following table shows the kilometers you ran last
months.
Knowing that you always run in the same pace
(proportion), complete the table.
Kilometers 7 6 15 3
Time (minutes) 39 65 26 71.5
Answers
Number of boys 15 10 20 55 25 35 5
Number of girls 12 8 16 44 20 28 4
Number of eggs 3 9 6 33 12 39 15
Flower (kg) 0.5 1.5 1 5.5 2 6.5 2.5
Kilometers 7 6 10 15 4 3 11
Time (minutes) 45.5 39 65 97.5 26 19.5 71.5