3*7-6
21-6=15
15 is the answer
3x = B
(x + 80 = 1/2B) * -3
-3x-240 = -3/2B
-240 = -1/2B
B=480 pennies
The fraction of 33 1/2% is 33.5/100
60
Because If you go by there score on paper 5 and follow it up to the line of best fit and then go across to the paper 2 in lines up to 60
For a you need to do (10 times 13) plus (10 times 7) because there's two boxes one is shaded.
For b you need to do (7.5 times 20) plus (2.5 times 20)
