Question

if 25 post-cards cost 125.50. What
will be the cost of 36 such post-
cards?Also find the number of post-
cards one can buy for Rs.502.​

Answer 1

Answer:

cost of 25 post cards = 125.50

so cost of one postcard = 125.50/25

coat of 36 postcards= (125.50/25)×36= 180.72

so cost of 36 postcards= 180.72

125.50 can buy 25 postcards

1 rs can buy 25/125.50 postcards

so 502 can buy (25/125.50)× 502

so 502 rs can buy (25 × 502)/125.50 = 100 postcards.

so 100 postcards can be bought for rs 502

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