Mario didn't solve this problem correctly. Here is his work.
x
In the last step, what
mistake did Mario make?
Multiply: (2-D(3+51)
C10-35-5.
.
Your turn: (6+1)(3-21)
1. In the last step, what mistake did Mario make?

unless if u could do my questions, if not i wouldn't want to

step-by-step explanation:

divide, then simplify your answer.

1. make -15.66 ÷   5.8 a fraction. then divide.

2. simplify.  

3. final answer.  

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour

the answer is 62.8 cubic units