# Mathematics

posted by .

A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours

48 parts
41 parts
172 parts
17 parts

• Mathematics -

48 parts

• Mathematics -

It might help to see the process.

7/4.2 = p/28.8

Divide both sides by 28.8 and solve.

• Mathematics -

The correct answer is 48 parts.xD

• Mathematics -

48 :)

• Mathematics -

Yes sasha!

## Similar Questions

1. ### math

alter working 4 hours, frank has made 21 machine parts.at the same rate how many parts can he make in 7 hours?
2. ### math

After working 4 hours, Frank has made 21 machine parts. At the same rate, how many parts can he make in 7 hours?
3. ### math

After working 4 hours frank made 21 machine parts. it's the same rate how many parts can he make in 7 hours
4. ### stats

Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding …
5. ### Math

Please help! It says- A machine takes 4.0 hours to make 8 parts. At that rate, how many parts can the machine make in 31.0 hours?
6. ### chemistry

The urine of horses are mixed with an excess of hydrochloric acid, after some time, a yellowish-brown crystalline precipitate, which have an unpleasant odor, that can't be removed by simply washing with water. This new compound has …
7. ### Statistics/Binomal

I really need help I do not understand how to start this problem. A machine that manufactures automobile parts produces defective parts 15% of the time. If 7 parts produced by this machine are randomly selected, what is the probability …
8. ### Quantitative, stastics and business

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are …
9. ### Statistics

In a particular manufacturing plant, two machines (A and B) produce a particular part. One machine (B) is newer and faster. In one five-minute period, a lot consisting of 32 parts is produced. Twenty-two are produced by machine B and …
10. ### Math

A machine takes 4.2 hours to make 7 parts. At that rate, how many parts can the machine make in 28.8 hours?

More Similar Questions