Question

Peter was thinking of a number. Peter doubles it, then adds 5 to get an answer of 23.6. What was the original number?

Answer 1

Answer:

let x be a number that Peter was thinking. 2x+5=23.6

2x=18.6

x=9.3

Answer 2

Answer:

So simple.

2x +5= 23.6

x=9.3