So you would just have to divide 20/7 to get the percentage of it.
The answer would be 2.85%.
40(12.62) + 7(12.62(1.5)) = 504.80 + 7(18.93) = 504.80 + 132.51 =
637.31 <===
Answer: -7$ or down by 7$
Step-by-step explanation: Her account went down by 7 or x - 7.
Hope this helped!
Mark Brainliest if you want!
The simplest solution is:
2452 = 60q +52r
2452 = 60q + 52(1)
2452 -52 = 60q
2400 = 60q
2400/60 =q
40 = q
r = 1: q = 40