Question

5
1. Amina thinks of a number and subtracts from it. She multiplies the result by 8. The
result now obtained is 3 times the same number she thought of. What is the number?​

Answer 1

number x = 16

16-10×8= 48

48 ÷ 3 = 16

Answer 2

Correct Question:

• Amina thinks of a number and subtracts 5/2 from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?

To Find:

• The number.

Solution:

Let the number she thought be X

ATQ,

➝ she subtract the 5/2 from the no.= x-5/2

➝ She multiply the result by 8 =8(x-5/2)

Equation:

➞ 3x = 8(x-5/2)

➞ 3x=8x -20

➞ 20=5x

➞ x=4

Therefore, the number she thought is 4.

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