Angle A is 78 because Ab is equal to the Ac
A.)20+5n=55
B.) You subtract 20 from 55 which is 35.
So your left with 5n=35, divide both sides by 5. 35÷5=7
C.)Your answer is 7.
I really dont understand what your asking, but probably 75%
Answer by JKismyhusbandbae:
15*3=45
so the 45 pounds per hour would be the speed
