You're answer is the third one, you gotta divide the money by the hours worked and then compare.
The word is CALCULATE. ( to determine or ascertain by mathematical methods; compute
Answer:718 kilometers per hour
Step-by-step explanation:
If 24 students went on a field trip, and 24 students represented eight tenths of the class, then

.
First, multiply by 10 on both sides.
240 = 8x
Divide by 8 on both sides.
x = 30.
The class has 30 students in all.
This is, however, only the equation way to solve.
Answer:
Every repeating or terminating decimal is a rational number
Each repeating decimal number satisfies a linear equation with integer coefficients, and its unique solution is a rational number.