Answer:
1. x = 30
REC = 130
Step-by-step explanation:
2x + 70 = 4x + 10
60 = 2x
x = 30
you try the others
Good luck :D
Answer:
y=4^x
Step-by-step explanation:
21 times because you need 7/4=1 gallon and 3/4 just for one and 7x3 =21 so need 21/4
The answer is 6.1 = 6 1/10