Answer:
7 families
|||+|||+|||+|||+|||+|||+||| = 21
7 families of 3 = 21
Step-by-step explanation:
3x=21
x=7 families
Answer: x=7
21 divided by 3 is 7
so x equals 7
your answer is 11 so B.
n = -8
5+n/8=4
Subtract 5 from each side
5-5+n/8=4-5
n/8 = -1
Multiply each side by 8
n/8 * 8 = -1 *8
b=3
yes
auc=5,10,15,20,30,40
