Answer:
67.9 U.S. dollars
Step-by-step explanation:
First, use distributive property to expand whats in the brackets
second, isolate x by putting all terms with x on one side
divide both sides by -11.81 to have x on its own.
Answer:
x = 10
y = 50
Step-by-step explanation:
9x - 70 = x + 10
8x - 70 = 10
8x = 80
x = 10
3y - 60 = 90
3y = 150
y = 50
C is the correct answer
$25 is constant and $1.30 is the variable cost that changes per day, therefore it would be $25 + (1.3×No. of Days)