2/5 = 6/15 = 12/30 = 14/35 = 16/40
0.2/0.5 = 1.2/3 = 8/20 = 0.8/2 = 10/25
hope this helps! :)
Answer:
-1 bc its only using the number 1
U just have to find original amount (100%) and that is the amount he made last week.
4x + 3y = 65
X + y = 18
When you use elimination, multiply the second equation by -3
4x + 3y = 65
-3X -3y = -54
X = 11
X+y = 18
11 + y = 18
Y = 7