Dennis thought of a number. He adds 0.5 to that number and then multiplies the new result by 4. He then subtracts 2 and divides the number by 2. His final answer is 48. What number did Dennis start with?
Answers
Answered by
0
4(x+.5)=4x+2
4x+2-2=4x
4x/2=48
2x=48
x=24
4x+2-2=4x
4x/2=48
2x=48
x=24
Similar questions