Answer:
y=4
Step-by-step explanation:
84=30y-9y, first you collect like terms.
84=21y, swap the sides
21y=84, devide both sides and you get y =4
Answer:
2
Step-by-step explanation:
are you siruous
Subtract 28 from 49 which is 21 picked in the second hour
The answer would be- P=$116.07 because you have to x all the numbers then add some