If 4/7 of a piece of metal weigh 28 kg , find the weight of 8/9 of the same piece of metal
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Answer:
43.56 kg
Step-by-step explanation:
let the piece of metal be 'x'
4/ 7 of x = 28
4 × x / 7 = 28
4x = 196 => x = 49kg
thus, weight of metal x = 49kg
Find the 8/ 9 of the same piece of metal ,
8 /9 of x = 8 / 9 of 49
8 × 49/ 9 = 392 ÷ 9
= 43.56 kg
Answer:
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8/9 of the same piece of metal
= 43 .56
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