nyibolkuan21 nyibolkuan21

17-02-2022
Mathematics

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3y is 45% of what number

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27buckk 27buckk

17-02-2022

Answer:

Call the number x and y. Then:

x - y = 45

and

x/y = 4, So x = 4y

Substitute 4y for x in the first equation:

4y - y = 45

3y = 45

y = 45/3 = 15

Substitute y = 15 in the first equation

x - 15 = 45

x = 45 + 15 = 60

So the two numbers are 60 and 15

Step-by-step explanation:

hope this helps

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