The sum of three numbers is 72 The second number is 7 times the first. The third number is 18 less than the second. What is the first number?
Answers
Answered by
6
Step-by-step explanation:
the answer which you want is 52
Answered by
0
Answer:
first number = 6
Step-by-step explanation:
x+7x+7x-18=72
15x-18=72
15x=90
x=6
first number=6
second number=42
third number=24
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