SAT Math Multiple Choice Practice Question 272: Answer and Explanation

Next steps

Question: 272

8. Mike sold a total of 48 sodas at a snack stand. The stand sells only cola and root beer. If he sold twice as many colas as root beers, how many root beers did he sell?

A. 32
B. 24
C. 18
D. 16
E. 8

Correct Answer: D

Explanation:

D Let c be the number of colas that Mike sold and r be the number of root beers. Since the total sold is 48, . Since he sold twice as many colas as root beers,. Substituting this into the first equation gives

Previous       Next