Answer:
86%
Step-by-step explanation:
Check attachment
Answer:
Slide 2) $7.11
Slide 3) 51
Step-by-step explanation:
Basically you take the number and minus the percent I forgot how to do the other ones sorry though hope these help good luck!
4(x - 7) + 12 = 20
4(x) - 4(7) + 12 = 20
4x - 28 + 12 = 20
4x - 16 = 20
+ 16 + 16
4x = 36
4 4
x = 9