Question

Cost of 90 envelops is 13:50. how many envelops will cost for 10:50?​

Answer 1

Step-by-step explanation:

cost of 90 envelope is 13.50

cost of 1 envelope is 13.50÷90=0.15

0.15 ruppes need for 1 envelope

10.50 ruppes need for 10.50÷0.15=70

70 envelop

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