Answer:
28%
Step-by-step explanation:
Answer: 7.5
Step-by-step explanation:
X+y=5 would be the correct one
<span>(2) y is the total cost, x is the number of months of service, $40 is the installation fee, and $90 is the service charge per month.</span>
y = 40 + 90x
y = total cost
x = number of months of service
40 = one time installation fee
90 = monthly service charge.
Let us assume that the number of months of service is 10 months. then, the total cost would be:
y = 40 + 90(10)
y = 40 + 900
y = 940
(a) You can plant 7 1/4 acres per pound of seed
(b) Isabel takes 7 minutes to run a mile