Answer:
3 water bottles
Step-by-step explanation:
25-10=15
15/5=3
<u>Your answer is 28x^2-37x+12</u>
<u>1) Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd</u>
28x^2-21x-16x+12
<u>2) Collect like terms</u>
28x^2+(-21-16x)+12
<u>3) Simplify</u>
28x^2-37x+12
Another way to write this is 3(4+7)
Answer:
C. 7
Step-by-step explanation:
First you have to find the unit rate of this equation
The unit rate is 20 students for every 1 teacher because 40 divided by 2 is 20
so if you do 140 divided by 20 your answer is 7
there are 7 teachers