# algebra

posted by .

It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how longwill it take her to ride 8 miles?

• algebra -

rate= 5mile/45min= 1mile/8 min

8 miles= rate*time
= 1mile/8min * time
time= 64 min

• algebra -

45/5 = 9 minutes per mile

8 * 9 = ?

• algebra -

72 minutes

## Similar Questions

1. ### math

It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how long will it take her to ride 8 miles?
2. ### English

I left out a few sentences.Thank you for your cooperation. 1) Do/take an exam 2) Have a holiday/go on holiday/go to London for my holiday. 3) go for a bath (in the sea, at the swimming pool),take a bath (at home), take/have a shower. …
3. ### Algebra

Can you help me set this up? Mr. Smith could ride his 10-speed bike 4.8 miles to his mom's house in 11 minutes. His return trip home took 14 minutes. The times are different due to there being a slight downhill slope on part of the
4. ### math

Ms. Kolawaski rides her exercise bike at an average speed of 12 miles per hour. How many minutes does it take her to ride 16 miles?
5. ### english

Do you know when to ride a bike? Do you know when you should ride a bike?
6. ### physics

You are going for a bike ride. You ride down a straight road at a speed of 9.0 mi/hr. Just as you pass the point which is 3.6 miles from your starting point, you develop a flat tire. You get off your bike and walk it to a bike shop …
7. ### Math

Bill can ride his bike 7 1/2 miles in a hour. a. How far will he ride in 3 hours?
8. ### Math

Felicia takes 4 hours to ride her bike 56 miles. She rides at a constant speed during the 4 hour ride. What is her speed in miles per hour?
9. ### math

last week, Mr thomas rode his bike 49 miles. this week mr. Thomas rode 14 miles less than he did last week.Mr thomas rode the same distance each of the 7 days this week. write an equation to find the number of miles,m, he rode each …
10. ### Math

Marta, Loribeth, and Ira all have bicycles. The table shows the number of miles of each rider's last bike ride, as well as the time it took to complete the ride. Marta: Distance of Last Ride (in miles) 8 Time Spent on Last Bike Ride …

More Similar Questions