Question

laura wrote a 3-digit number. she doubled it, added 150, divided by 100, and added 6. her final result was 10. what number did laura write?

Answer 1

126

Explanation:

It's 125

Answer 2

125

Explanation:

start with 10, and go backwards

10-6=4 4x100=400 400-150=250 250/2=125

checked answer:

125x2=250 250+150=400 400/100=4 4+6=10