Multiple Choice (A-CED.1.3)
10. Gerardo has $40.00 to spend at the comic book shop. Golden Hero comics cost $5.25
each, and Justice Brothers comics, which are Gerardo's favorite, cost $3.25 each. He
decides to buy 3 times as many Justice Brothers comics as Golden Hero comics. He set up
the system of equations below to determine the number of Golden Hero comics, x, and
the number of Justice Brothers comics, y, he can buy for exactly $40.00.
(5.25x +3.25 = 40.00
y = 3x
He found the solution of the system at 6,8). Can Gerardo spend exactly $40.00 on
comics if he buys 3 times as many Justice Brothers comics as Golden Hero comics?
A. No, because Golden Hero comics are too expensive.
B. No, because he cannot buy a fraction of a Golden Hero comic.
C. Yes, he can buy 3 Golden Hero comics and 8 Justice Brothers comics.
D. Yes, he can buy 2 Golden Hero comics and 8 Justice Brothers comics.