Question

Th sum of three consecutive multiples of 5 is 120. Find the three integers.​

Answer 1

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Th sum of three consecutive multiples of 5 is 120. Find the three integers.

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Let the first number be X

Then the second number is x+ 5

Then the third number is x+ 10

Now we are given that the sum of the three terms is 120.

==> x + x+ 5 + x+ 10 = 120

==> 3x + 15 = 120

Now we will subtract 15 .

==> 3x = 105

Now we will divide by 3.

==> x = 35

Then the numbers are: 35, 40 , and 45.

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