Answer:B
Step-by-step explanation:
Answer:
Some of the 50 students should have been assigned to a control group that used the in-person course
Step-by-step explanation:
3p+2h=195
p + 15 = h
3p + 2(p + 15) = 195
3p + 2p + 30 = 195
5p = 165 (combine like terms and isolate your variable)
p = 33
33 + 15 = 48 (plug 33 into your original second equation)
ANSWER: 33 pretzels and 48 hotdogs
**You can plug these into your original (first) equation to check your answer
Paul surely charges 75 dollars, and then he adds 40 dollars per hours. This means that the expression for the money he asks is

where
is the amount of money and
is the number of hours.
Since
can be at most 8, this is the case that generates the highest money, so if we plug
we have

Four point six three zero.