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Thepotemich [5.8K]
3 years ago
14

The sum of three numbers is 132 . the third number is 7 less than the first. the second number is 3 times the third. what are th

e numbers?
Mathematics
1 answer:
katovenus [111]3 years ago
8 0
X+y+z = 132
x = 7+z
y = 3z

(7+z)+3z+z = 132
5z = 132-7
z = 125/5

z = 25 <=====

x = 7+z
x = 7 + 25
x = 39 <=====

y = 3z
y = 3 × 25
y = 75 <=====

hope it helps :)

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