Answer:
16
Step-by-step explanation:
Answer:20
Step-by-step explanation:

It looks like your first selection (a) is appropriate.
Missing the total payment information. Can not solve without total cost...
Answer:
9/4
Step-by-step explanation:
The divide symbol is also the line that separates the numerator and the denominator, so 45÷20 can also be written as 45/20.
We can see that both 45 and 20 are divisible by 5, so we can simplify the fraction down to 9x5/4x5, and then we cancel out the 5s and are left with 9/4