The sum of two numbers is 28the first number x is three times the second number y

By: USER7236
28 Agustus 2025 mathematics 5 minutes
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Question

Grade: Education Subject: mathematics
The sum of two numbers is 28the first number x is three times the second number y
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Answer (81)

Best Answer
(20)
21 and 7 (((((((*(*(
Answered on 28 Agustus 2025
(278)
Let's try to make two equations.
X+Y=28
Since x is three time y, x=3y. Let's fill that in for x.
3y+Y=28
Let's solve first by combining like terms.
4y=28
28÷4=7=y
Y is 7, so that means x must be 21 since their sum is 28.
So, 21=x and 7=y.
Answered on 28 Agustus 2025

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