Question

Denis thinks of a number. He adds 0.5 to that number and then multiplies the new result by 4. He then subtract 2 and divides the number by 2. His final answer is 48. what number did Dennis start with?

Answer 1

may be this ur answer

Answer 2

let the number be x
((x+0.5)×4-2)÷2=48
((x+0.5)×4-2)=96
x+0.5=98÷4
x+0.5=24.5
x=24