Use elimination
Multiply first equation by 4
12a - 8b = 56
12a + 9b = 39
Subtract both
-17b = 17
b = -1
Plug in -1 for b
3a - 2(-1) = 14
3a = 12, a = 4
Final answer: a = 4, b = -1
The credit card is instant. She’d have to ship the money order and the check to the supplier.
Answer:
(5,225)
Step-by-step explanation:
The break even point is when the cost equals the revenue.
C=R
15x+150=45x
150=30x
x=5
Plug this back into the original equations to get the y value.
15*5+150=225
or 45*5=225
The answer i would believe is to be true.