Answer:
Step-by-step explanation:
3.50*2= 7 dollars $2.00 *4.125=8.25 8.25+7=15.25
We have the equation:

So then we need to distribute -7p to the parentheses:

Then we need to set the equation equal to 0, so we must subtract 21 on both sides:

Then we need to factor this. So we end up with:

This is as much as this can be factored, so <u>we cannot go any further</u>.
Answer:
60 adults and 90 students.
Step-by-step explanation:
90x4= 360
60x6= 360
360+360=720
Answer:
-16, -15, -14, -13
Step-by-step explanation: