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n200080 [17]
3 years ago
14

Which one is the correct answer

Mathematics
1 answer:
galben [10]3 years ago
6 0
Jim can do the 1/2 of floor in 4 hours
pete completes 1/2 of floor in 2 hour

therefor, since, pete took 1/2 as much time, pete can tile 2 times as many tiles (logic)

pete can lay 25 more than jim
if pete is 2 times of jim
p=2j
and pete is 25 more than jim
p=25+j
2j=p=25+j
2j=25+j
minus j
j=25

jim lays at 25 tiles per hour
C is answer
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Lucas had a mix of red and purple jelly beans. There were 2 red jelly beans for every 3 purple jelly beans. If there are 40 jell
Alex73 [517]

Answer:

24 purple jelly beans

Step-by-step explanation:

We are told in the question that;

Lucas had a mix of red and purple jelly beans. There were 2 red jelly beans for every 3 purple jelly beans.

The results in a ratio

2:3

Where 2 represented red jelly beans

3 represented purple jelly beans

Total number of jelly beans = 40 jelly beans.

The number of purple jelly beans that we have =

3/( 2 + 3) × 40

= 3/5 × 40

= 3 × 8

= 24.

Hence, there are 24 purple jelly beans in the bag.

7 0
3 years ago
A train is traveling at a speed of 60 miles per hour. What happens to the number of miles when the number of hours
belka [17]

Answer:

It multiplies

Step-by-step explanation:

if the number of hours changes to example to 2 then you multiply 60 by 2 resulting in 120miles in 2 hours

5 0
3 years ago
If -x < -y, then all of the following are true except?
Marysya12 [62]

Answer:

b, c, d are all false

Step-by-step explanation:

Let x=4, y=2. The given statement says ...

... -4 < -2 . . . . . a true statement.

Now, let's look at the answer choices.

... a. -4 < -2 . . . . true

... b. 2(4) < 2(2) . . . . false

... c. 4 +2 < 2 +2 . . . . false

... d. 4/2 < 2/2 . . . . false

Then "a" is true, and "b", "c", and "d" are false.

4 0
3 years ago
Look at the long division problem shown on the right. Complete the division to determine what the remainder will be.
Masja [62]

Answer:

The remainder is...

7

Hope this helps!!

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
If you can mow 1000 square feet per minute, how long to mow a circle with diameter of 800 feet?
maria [59]

Answer:

You can calculate the area of the circle

We know the formula is: \pi*r^2

And if diammeter is 800, then the radio is a half: 400

We replace:

\pi*r^2 --> \pi * 400^2 \approx 502654.8  feet

So now we can divide:

502654/1000 = 502,654 minutes

3 0
3 years ago
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