4x+7y=4.88 -> mult by -3 -> -12x-21y=-14.64
12x+8y=7.88
-12x-21y=-14.64
Add the two above equations together, the y will be left:
-13y=-6.76
y=0.52 —> cost of each apple (plug back into one of original equations, I chose 4x+7y=4.88:
4x+7(0.52)=4.88
Solve for x.
x=0.31 —> cost of each orange
Answer:
30.6452% decrease.
Step-by-step explanation:
%
100-69.354 ≈ 30.6452%
3
he could use:
1x55 cent coin
1x10 + 1x25 cent coins
4x10 cent coins
4-1=3
Answer:
the sale price would be $36.00
Step-by-step explanation:
First you would want to multiply 5 and 7 once you get your answer subtract it from 99
