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?
Answers
Answered by
0
number x = 16
16-10×8= 48
48 ÷ 3 = 16
Answered by
16
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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