http://math.about.com Name__________________________________ Worksheet # 3: Solve the Distance (d), Rate(r)/Speed and Time(t) Problems Remember to read the problems carefully and set up a diagram or chart to help you set up the equations. Remember to use the right formula: d
d = rt or r =
d
d
or t = t
r
1 2 r t
1. Two sisters Anna and Shay left the home at the same time. They headed out in opposite directions towards their destination. Shay drove 50 mph faster than her sister Anna. Two hours they were 220 mph apart from each. d
r t
What was Anna’s average speed? Anna Shay 2. Harold left the gym after his workout and headed home traveling at 56 mph. Harold’s wife Breanna left an hour later traveling at 70 mph. d
r t
How long did Breanna’s husband Harold drive Harold before Breanna caught up to him? Breanna 3. Ariel left the mall and headed for home. Two hours later, Sarah left the mall on her scooter traveling at 14 mph faster than Ariel hoping she would catch up with her. After three hours, Sarah finally caught up to Ariel. d
r t
What was Ariel’s average speed? Ariel Sarah http://math.about.com http://math.about.com Name__________________________________ Worksheet # 3 ANSWERS: Solve the Distance (d), Rate(r)/Speed and Time(t) Problems Remember to read the problems carefully and set up a diagram or chart to help you set up the equations. Remember to use the right formula: d = rt or r =
d
d
or t = t
r
1. Two sisters Anna and Shay left the home at the same time. They headed out in opposite directions towards their destination. Shay drove 50 mph faster than her sister Anna. Two hours they were 220 mph apart from each. d
r t
What was Anna’s average speed? Anna 30 mph Shay 2. Harold left the gym after his workout and headed home traveling at 56 mph. Harold’s wife Breanna left an hour later traveling at 70 mph. d
r t
How long did Breanna’s husband Harold drive Harold before Breanna caught up to him? Breanna 5 hours 3. Ariel left the mall and headed for home. Two hours later, Sarah left the mall on her scooter traveling at 14 mph faster than Ariel hoping she would catch up with her. After three hours, Sarah finally caught up to Ariel. d
r t
What was Ariel’s average speed? Ariel 21 mph Sarah http://math.about.com