Answer:
x = 3
y = 18
Step-by-step explanation:
you replace y with 6x
x + 6x = 21
combine like terms
7x = 21
divide both sides by seven
then you plyg 3 into the other equation
y = 6(3)
y= 18
34.5 minutes
c.
Answer: 2767.12 !!!!!!!!!!!!!!!!
