Answer:
It would be D
Step-by-step explanation:
If you do the problem backward and apply the discount and taxes to 20$, then you get 18.70
It a measure of the amount of variation or despersion of a set of values
Only one answer really makes sense...and that is : maxed out credit cards
Equation: n/4-10=2
+10 +10
n/4=12
n=48
