Answer:
2b/ab+3
Step-by-step explanation:
Just plug in the numbers for the variables.
20+3(8)+17(2)=
1=5-4 because you have to substitute x and y (x,y) or (5,1)
Answer:
90 pages
Step-by-step explanation:
30% complete
70% to go = 63 pages
t = total number of pages
0.7t = 63
∴ t = ⁶³/₀.₇
⁶³/₀.₇ = 90