I am not completely sure if tis is correct. I just took 16 and multiply them for the answer B and C. hope this can help you.
3x = 18 - 3 times girls = # boys = 18
x = 6 - # of girls in the class
answer:
Contd.
Explanation:
We will use the following well-known
Result : The eqn. of a line l passing through the pt. of
intersection of the lines l1:a1+b1+c1=0andl2:a2x+b2y+c2=0 is of
the form
Result :
1 gallon= 4 quarts so if you were to have 1/2 a gallon and 2 quarts, you would have an equal amount so the containers hold the same amount
