Beth: t hours.
Clara:(t+2) Hours.
Eq1: r*t = 100 mi
Eq2: r*(t+2) = 220 mi.
r*t + 2r = 220
Replace r*t with 100:
100 + 2r = 220
2r = 120
r = 60 mi./h.
In Eq1, replace r with 60:
60t = 100
t = 1.66 Hours. = Beth's driving time.
To attend a family reunion, Beth drives 100 mi from Fresno and Clara drives 220 mi from San Jose. Both women drive the same speed in miles per hour, but Clara's drive takes 2 hours longer than Beth's. Find the length of Beth's drive.
a. 1 hour. b. 2.2 hours
c. 1.66 hours d. 3.66 hours
1 answer