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Checking my answers

1. Volunteers put together 40 school-supply kits in 8 minutes. At this rate, how many could they put together in 30 minutes? Solve this problem using a unit rate. (1 point)
Responses

9,600 school-supply kits
9,600 school-supply kits

10.67 school-supply kits
10.67 school-supply kits

150 school-supply kits
150 school-supply kits

6 school-supply kits
6 school-supply kits

2. Brian can read 80 pages in 2 hours. How many pages can he read in 3.5 hours? (1 point)
Responses

11.43 pages
11.43 pages

140 pages
140 pages

45.71 pages
45.71 pages

560 pages
560 pages

3. In 10 seconds, the surface of the earth at the equator has moved 4,600 meters. How far has the surface moved in 150 seconds?(1 point)

69,000 meters
69,000 meters

306.67 meters
306.67 meters

6,900,000 meters
6,900,000 meters

3.07 meters

Grace ran a 26-mile marathon in 4 hours. How far did Grace run in 1.5 hours?(1 point)
Responses

156 miles
156 miles

69.33 miles
69.33 miles

9.75 miles
9.75 miles

Grace ran a 26-mile marathon in 4 hours. How far did Grace run in 1.5 hours?(1 point)
Responses

156 miles
156 miles

69.33 miles
69.33 miles

4. Grace ran a 26-mile marathon in 4 hours. How far did Grace run in 1.5 hours? (1 point)
156 miles
69.33 miles
9.75 miles
4.33 miles

5. In 5 hours the Acela Express, the fastest train in North America, traveled 775 miles. How far did it travel in 8 hours?(1 point)

19.375 miles
19.375 miles

484.375 miles
484.375 miles

1,240 miles
1,240 miles

31,000 miles

If you went all da way down to read this ur very sad XD

1. To solve this problem, we can first find the rate at which volunteers put together school-supply kits. We divide the number of kits by the time it took to put them together: 40 kits / 8 minutes = 5 kits/minute.

Now, using this unit rate, we can find how many kits they could put together in 30 minutes by multiplying the rate by the time: 5 kits/minute * 30 minutes = 150 kits.

Therefore, the correct answer is 150 school-supply kits.

2. To find out how many pages Brian can read in 3.5 hours, we need to determine his reading rate. Brian can read 80 pages in 2 hours, so his reading rate is 80 pages / 2 hours = 40 pages/hour.

To find how many pages he can read in 3.5 hours, we multiply his reading rate by the time: 40 pages/hour * 3.5 hours = 140 pages.

Therefore, the correct answer is 140 pages.

3. In 10 seconds, the surface of the earth at the equator has moved 4,600 meters. To find how far the surface has moved in 150 seconds, we can set up a proportion:

10 seconds / 4,600 meters = 150 seconds / x meters.

Cross multiplying, we get 10 * x = 4,600 * 150.

Simplifying, x = (4,600 * 150) / 10 = 69,000 meters.

Therefore, the correct answer is 69,000 meters.

4. Grace ran a 26-mile marathon in 4 hours. To find out how far she ran in 1.5 hours, we can set up a proportion:

4 hours / 26 miles = 1.5 hours / x miles.

Cross multiplying, we get 4 * x = 26 * 1.5.

Simplifying, x = (26 * 1.5) / 4 = 9.75 miles.

Therefore, the correct answer is 9.75 miles.

5. In 5 hours, the Acela Express traveled 775 miles. To find out how far it traveled in 8 hours, we can set up a proportion:

5 hours / 775 miles = 8 hours / x miles.

Cross multiplying, we get 5 * x = 775 * 8.

Simplifying, x = (775 * 8) / 5 = 1,240 miles.

Therefore, the correct answer is 1,240 miles.

Why do you repeat your text?

So annoying!

Why do you repeat your text?
So annoying!

Why do you repeat your text?
So annoying!

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