if the cost of 3 notebook is 25.50, fund the cost of 7 such notebooks?
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4
cost of 3=25.5
so cost of 1=25.5/3=8.5
so cost of 7 notebook =8.5*7=59.5
so cost of 1=25.5/3=8.5
so cost of 7 notebook =8.5*7=59.5
Answered by
3
cost of 3 notebooks is Rs 25.50
so cost of 1 notebook is 25.50/3 = 8.5
=> cost of 7 notebooks is 7 × 25.5/3 = 59.5 Rs.
so cost of 1 notebook is 25.50/3 = 8.5
=> cost of 7 notebooks is 7 × 25.5/3 = 59.5 Rs.
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