Question

when 8 is subtracted from a certain number and the result is multiplied by 3 the answer is 21 .What is the original number?
1
3
10
15

Answer 1

Answer:

• The original number is 15.

Step-by-step explanation:

Given that:

• When 8 is subtracted from a certain number and the result is multiplied by 3 the answer is 21.

To Find:

• What is the original number?

Let us assume:

• The original number be x.

Finding the original number:

According to the question.

→ 3(x - 8) = 21

→ x - 8 = 21/3

→ x - 8 = 7

→ x = 7 + 8

→ x = 15

Hence,

• The original number is 15.

Answer 2

Answer:

Refer above attachment

Step-by-step explanation:

Okay bye bye !!!!