Question

The sum of three consecutive multiples of 7 is 357. Then the smallest multiple of 7

Answer 1

ANSWER:

• Least multiple of 7 is 112

GIVEN:

• Sum of three consecutive multiples of 7 is 357

TO FIND:

• The smallest multiple of 7.

SOLUTION:

Let x be the a number .

1st number consecutive to x = (x+1)

2nd number consecutive to x = (x+2)

Now :

According to the Question:

=> 7(x)+7(x+1)+7(x+2) = 357

=> 7x+7x+7+7x+14 = 357

=> 21x+21 = 357

=> 21(x+1) = 357

=> x+1 = 357/21

=> x+1 = 17

=> x = 17-1

=> x = 16

1st multiple of 7 = 7x

= 7(16)

=112

2nd multiple of 7 = 7(x+1)

= 7(16+1)

= 7(17)

= 119

3rd multipl of 7 = 7(x+2)

= 7(16+2)

= 7(18)

= 126

Here

Least multiple is 112

Answer 2

Answer:

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