Answer:
I would say three person(s).
Answer:

Step-by-step explanation:
You have the following quadratic equation given in the problem:

You must make the equation equal to zero, as following:

Add like terms:

Now, to factor the equation, you must find two numbers whose sum is -2 and whose product is -15. Therefore, you have:

I think it is 57 I just subtracted the two numbers
Answer:
100
Step-by-step explanation:
5x4=20
20x5=100
D 22-14=8 14-7=7 7 of 14=50% so i think that’s the best estimate