Gretchen worked in the ticket booth for 20 minutes. Kevin worked in the ticket booth 5 times longer than Gretchen. Which equation could be used to calculate the number of minutes that Kevin worked? Let the variable b stand for the number of minutes Kevin worked.
A20= b+5
B20=b5
Cb=20 / 5
Db=520
A20= b+5
B20=b5
Cb=20 / 5
Db=520