10
1f 6 m of electric wire costs 78, how much will
11 m of wire cost?
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Answered by
2
Answer:
direct variation
6/78 = 11/x
cross multiply
6×x =78×11
x=78×11/6
x=13×11
x=₹ 143
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Answered by
1
cost of 6m electric wire is ₹78
cost of 1 m electric wire is ₹ 78/6
cost of 11 m electric wire is ₹78/6 × 11
= ₹ 858/6
= ₹ 143. Ans.
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