selenamarieq selenamarieq

13-07-2021
Mathematics

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One number is 3 times another. If the sum of the two numbers is 15, find the two numbers.

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wegnerkolmp2741o wegnerkolmp2741o

13-07-2021

Answer:

15/4 and 45/4

Step-by-step explanation:

Let x and y be the numbers

x = 3y

x+ y = 15

Substitute the first equation in to the second equation

3y+y = 15

4y = 15

y = 15/4

x = 3(15/4)

x = 45/4

The two numbers are 15/4 and 45/4

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ayarlagadda0 ayarlagadda0

13-07-2021

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