I actually did this problem today for edge , I included a picture that I used to understand how to do this problem the answer is 1%.
2x+5y=21, x+y=3
y=3-x
2x+5y=21
2x+5(3-x) =21
2x+15-5x=21
2x-5x+15=21
-3x+15=21
-3x=21-15
-x=6/3
-x=2
x=-2
Answer: It was marked down by 35%
Step-by-step explanation:
1. find the difference of the two prices, 68-44.20=23.8
Take the fraction 23.8/68 (because that is how much the price changed and you need to find what percent that is.
You get 35%
Answer:
1. 87b−179+957÷87
2. 51b−24
Step-by-step explanation:
Answer:
106 and 93
Step-by-step explanation:
The whole thing has to add up to 360