three roles of red cello tape cost ₹48 . five rolls of green cello tape cost ₹36 . if shikha bought 8 rolls of red cello tape and 3 rolls of green cello tape . what is the total amount she will pay .
From chapter ration and proportion..
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Answer:
149.60₹
Step-by-step explanation:
Cost of 3 red cello tape = ₹48
Cost of 1 red cello tape = ₹48/3 = ₹16
Cost of 5 Green cello tape = ₹36
Cost of 1 Green cello tape = ₹36/5 = 7.20₹
A.T.Q
Cost of 8 red cello tape and 3 Green cello tape =
8(₹16) + 3(7.2₹) = 149.60₹