Question

Cambridge slim are 50 sausages in the first 20 minutes of a high stakes eating contest. Assuming that he continued at the same pace how many sausages would he have eaten by the end of the 30 minute contest

Answer 1

This is an example of proportional reasoning.

17 sausages is to 7 minutes as ??? sausages is to 30 minutes.

Mathematically:

17 / 7 = x / 30

Explanation:

Answer 2

75 sausages

Explanation:

Sausages ate in 20 minutes = 50

Sausages ate in 1 minute = 50 ÷ 20

Sausages ate in 30 minutes = (50 ÷ 20) x 30

= 75