mina 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 had thought of. what is the number?
Answers
Answered by
1
Answer:
4
Step-by-step explanation:
Let the number be x.
According to question,
8(x-5/2)=3x
8(2x-5/2)=3x
8x-20=3x
8x-3x =20
5x =20
x =4
Similar questions