HELP ASAP!!

ABC is similar to QRS. If AB=3 when QR=1,
what is the measure of BC if RS=1.5?

A: 1.5
B: 3
C: 4.5
D: 5

HELP ASAP ABC is similar to QRS If AB3 when QR1 what is the measure of BC if RS15 A 15 B 3 C 45 D 5 class=