Question

If the cost of 9 ice cream is rupees 60 7.50 then what will be cost of hundred ice cream

Answer 1

quantity cost of ice-cream

9. 607.50= 60750/100

100. X

by doing cross multiplication, we get..

9x = 100×60750/100

9x= 60750(notice that we both hundreds get cancelled)

X= 60750/9

X= 6750

the cost of 100 ice-creams is 6750

OR (2 nd method)

cost of 9 ice-creams= 607.50

cost of 1 ice cream= 607.50/9

=67.50

cost of 100 ice-creams=67.50×100

= 6750

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