For problems like these, we use something called a
ceiling function, in which

. If we do

, we get that we do

, which is
14 buses. We take the ceiling of the division because if we don't, we know that there are going to be extra kids left over that won't be able to seat on a bus. If we just rounded down to 13 buses, we would have been able to seat only 936 kids, a full 64 kids left over.
Assuming that what you want me to solve is how much she paid for "extra use", the answer is she paid 20 times for the extra charge
47 - 32 = 15
20x .75 = 15
Answer:
6 - 2=4
4 x 4= 16
Step-by-step explanation:
I’m pretty sure this is the answer,