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1. a boy walked into the country side at a rate of 5 mph and returned over the same route on a bus traveling at 30 mph. the entire trip took 4 1/2 hours. which equation could you uuse to solve this problem?
2.an athlete covered a distance of 57 miles by walking for 2 hours and then riding a bicycle for the remainder of the trip. her rate increased by 10 mph on the bike. if the entire trip took 5 1/2 hours, what was her riding rate?
3.a man jogged to his friend's house at a rate of 6 mph. the trip took 20 minutes. how long will it take him to return home if he can maintain a rate of 8 mph?
answer Choices
a. 85 km/h
b. 15 minutes
c. 14 mph
d. 4 minutes
e. x/5 + x/30 = 9/2
ab. 4 mph
ac. 1/4 min
ad. 5x+30x=4.5
ae. 4 2/3 mph
bc. 6 p.m
bd. 115 mph
be. 5(4.5) + 30(4.5) = x
cd. 4 hours
ce. 6 am
de. correct answer not shown
2.an athlete covered a distance of 57 miles by walking for 2 hours and then riding a bicycle for the remainder of the trip. her rate increased by 10 mph on the bike. if the entire trip took 5 1/2 hours, what was her riding rate?
3.a man jogged to his friend's house at a rate of 6 mph. the trip took 20 minutes. how long will it take him to return home if he can maintain a rate of 8 mph?
answer Choices
a. 85 km/h
b. 15 minutes
c. 14 mph
d. 4 minutes
e. x/5 + x/30 = 9/2
ab. 4 mph
ac. 1/4 min
ad. 5x+30x=4.5
ae. 4 2/3 mph
bc. 6 p.m
bd. 115 mph
be. 5(4.5) + 30(4.5) = x
cd. 4 hours
ce. 6 am
de. correct answer not shown