# A earns rs. 80 in 7 hours and P rs. 90 in 2 hours. The ratio of their earnings is??

2
by Yaduvanshi2

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by Yaduvanshi2

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Earning per hour =

P earning in 2 hours = Rs 90

Earning per hour =

Ratio of earnings per hour =

=

= 16 : 63 [ by cross multiplication]

A earns Rs.80/7 In 1 hour.

P earns Rs.90 in 2 hours.

P earns Rs.90/2 in 1 hour.

Since both the quantities are in the same units now,

A's earning:P's earning=80/7:90/2

=80/7*7:45*7=80:315=80/5:315/5=16:63

Answer:The required ratio is 16:63