Question

Seven kg. of nuts cost $5. How many kg. of nuts can you buy with $2?

Answer 1

2.8Kg

Explanation:

Seven kg. of nuts cost $5. How many kg. of nuts can you buy with $2?

we can solve with a proportion

7 : 5 = x : 2

x = 7 × 2 ÷ 5

x = 2.8Kg

or

find the unity

7 : 5 = 1.4

multiply by $2

1.4 × 2 = 2.8Kg