Does it the answer will be 144 :)
One variable is the amount of time it takes her to make a plate. The other variable is the amount of time it takes her to make a cup.
Step-by-step explanation:
I can't see good the picture

you'll get a decimal format, just multiply it times 100, to get the % format
Answer:
70
Step-by-step explanation:
A=a+b
2h=8+12
2·7=70