Answer:
1. X3, 15x - 10y = 80 15x - 7y = 51
-17y = 29
2. 8 = 1/60 + a. 8 - 1/60 = 7.98333333333
6 = 1/80 + b. 6 - 1/80 = 5.9875
13.9708333333
3. I genuinely dont know sorry.
4. Pencil = $0.05. Pen = $1.05
Step-by-step explanation:
Blue: = because the equal sign is stating that it’s the same.
since the original price was ninety we have to multiply 5/6 by 90
90/1(5/6)
=450/6
=75
Answer:
x=-3 or x=-7/3
Step-by-step explanation:
