She made $40 last week because if you divide 80/2 it gives you 40. Because you are still counting the $5 she had spent.
Steps:
1. Draw a number line and put the numbers 1 and 2. (Do not put the numbers very close together)
2. Between 1 and 2 put 1/6, 2/6, 3/6, 4/6, 5,6, and 6/6. If they wanted it into seventh sense then you would do the same thing but split it into 7.
*I will send you a pic of what I mean
The answer is 12x^3-4×^2-4
Answer:
Yes this is a linear function f(x) = ex+30
e = hourly rate
x=hours
f(x) = total earnings
1600m = 1600 ÷ 1000 = 1.6 km
Answer: 1.6 km
