Question

Please help!
Rory is 13 years older than Julia. The product of their ages is 660. How old is Rory?

A.
20

B.
33

C.
42

D.
66

Answer 1

y × (13+y) = 660

Plug in values.

y=20
20 x 33 = 660
660 = 660
CORRECT

Rory = 20 + 13 = 33

Rory = 33