Question

1.
The sum of three consecutive multiples of 5 is 180.
Find the numbers.​

Answer 1

Required Answer:-

Given:

• The sum of three consecutive multiples of 5 is 180.

To find:

• The numbers.

Answer:

• The numbers are 55, 60 and 65.

Solution:

Given that,

➡ Sum of three consecutive multiples of 5 is 180.

➡ Let the numbers be 5x, 5x + 5 and 5x - 5

So, according to the given condition,

➡ 5x + 5x + 5 + 5x - 5 = 180

➡ 15x = 180

➡ x = 180/15

➡ x = 12

Hence, the value or x is 12.

So,

First Number = 5x = 5 × 12 = 60

Second Number = 5x + 5 = 5 × 12 + 5 = 60 + 5 = 65

Third Number = 5x - 5 = 5 × 12 - 5 = 55

So, the numbers are 55, 60 and 65.

Answer 2

Answer:

let the three consecutive number be x,x+5 ,x+5+5

Step-by-step explanation:

sum 180

=x+(x+5)+(x+10)=180

=x+x+5+x+10=180

=3x+15=180

=3x=180-15

=3x=165

=x=165divided by 3

=55