Answer:
Step-by-step explanation:
ax + by = c
Answer:
8.5
Step-by-step explanation:
5 2/3 * 3
17/3*3/1=51/3=17/2=8.5
First, find the difference between the two prices. Then, divide the difference by the cost price.
75/50 = 1.5, or 150 percent
Answer:

Explanation:
Foil method: (a + b)(c + d) = ac + ad + bc + bd
Solving steps:





Here is the answer I believe. It goes in a x all it did was added to to each x and y (-3,0)