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The sum of two numbers that are at the ratio of 5:7 is 372. Find these numbers.

2 Answers

2 votes
x/y= 5/7

x+y=372

x=5/7y

5/7y+y=372


12/7y=372

y = 372(7/12)= 217


x= 155
User PJLopez
by
7.1k points
4 votes

The given numbers are in the ratio
5:7. Let the numbers be
5x and
7x, where
x is a real number.

The sum of the numbers is
5x+7x=372.

Solve for x,


image.

Therefore, the numbers are,


5*31,7*31 or the numbers are
155,217.


User JoshBramlett
by
6.9k points