Y = 0.8
4x + 8y = 40
4x + 8*(0.8) = 40
4x + 6.4 = 40
4x = 40 - 6.4
4x = 33.6
x = 8.4
Answer:
6.48%
Step-by-step explanation:
the rule of the simple interest is:
I=PRT
but here we want the rate, and we have I and P and T
so put the rate on 1 side, and all the given numbers in other side
the rule will be like this:
R=I/PT
R=4320/6000×9
R=6.48%
Depending on the wage so im just gonna use an example to help you
so lets say the wage is $15 per hour
you would multiply 15 by 4 and thers your answer, please state the wage
The answer would be letter b
