Answer:
7 hours
Step-by-step explanation:
Tuesday - $11/2hrs
Saturday - $38.50/x
2*38.50 = 77
77 = 11x
77/11 =x
7=x
7hrs
1.27777777778
i think
D
As soon as you see a number times 1 thats how you can find your unit rate, or constant of proportionality.
So since we know that we are going by 32's, we would do 32 23 times, in other words, 32x23
And when you use a CALCULATOR or pencil and paper you get D, which is 736 stairs
