It would be 1/2 because that is the fraction of 50<span>%
</span>
You have to turn 65 into a decimal. That would be .65
They do 39/.65
You should get 60 as your final answer.
Second side= x
First side = 2x
Third side = x+5
x+2x+x+5=49
4x=44
x=11
1st side= 22
2nd side = 11
3rd side = 16
