jenny12640 jenny12640

16-02-2021
Mathematics

contestada

The sum of two numbers is 15. Twice the large
number plus 4 times the smaller number is 24.
Find the large number.

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mrsrurmqn mrsrurmqn

16-02-2021

x+y=15 which equals y=15-x
2x+4y=24
2x+4(15-x)=24
2x+60-4x=24
-2x=-36
x=18
the larger number is 18

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