idk
step-by-step explanation:
ruth is 6 years old
6 + 24 = 30, so 6/30 = .2
if you do 1/5 it also equals .2, so that is the answer.
6 adults and 9 children went.
a + c = 15
12a + 9c = 153
12(6) + 9(9) = 153
72 + 81 = 153
the answer is "add 2y and y"
you need to collect the like terms first.