Question

Together, two apples have 1/5 gram of fat. how many apples have a total of 4 grams of fat?

Answer 1

simply 40 apples

Explanation:

Answer 2

2 apples ---------------------- 1/5 g of fat

x apples ------------------------ 4 g of fat
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x = (4·2)/(1/5) = 8/(1/5) = (8/1):(1/5) = (8/1)·(5/1) = 40/1 = 40 apples

So, 40 apples have a total of 4 g of fat.