kayleeg197866 kayleeg197866

07-11-2020
Mathematics

contestada

If 45% of a number is 63 and 35% of the same number is 49, find 80% of that number.

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virtuematane virtuematane

07-11-2020

Answer:

Step-by-step explanation:

1) Let the number be y

45%of y=63

45y/100=63

Y=6300/45

Y=140

So 80%of a number =80y/100

=80×140/100

=112.

Let the number be y

35%of y=49

35y/100=49

Y=4900/35

Y=140

So 80%of a number =80y/100

=80×140/100

=112.

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