Answer:
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
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