Question

the cost of 4kg of apples is 20. Find the cost of 9kg apples​

Answer 1

$cost \: of \: 4kg \: apple \: is \: = \: 20 \\ cost \:of \: one \: kg \: apple \: = \: \frac{20}{4} = 5 \\ cost \: of \: one \: kg \: = \: 5 \: \\ cost \: of \: 9kg \: apple = 5 \times 9 = 45 \\ cost \: of \: 9 \: kg \: apple \\ = 45$

Answer 2

Answer:

45

Step-by-step explanation:

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