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prohojiy [21]
3 years ago
14

Some students washed 24 cars in 2 hours. how many cars can they wash in 15 hours?

Mathematics
2 answers:
Radda [10]3 years ago
7 0
Itd be c.180 because itd be 12 cars each hour so times 12 by 15
kiruha [24]3 years ago
3 0

Answer:

option c is correct

180 cars can they wash in 15 hours

Step-by-step explanation:

Unit rate defined as the rate are expressed as a quantity 1 such as 4 miles per hour or 5 meter per second.

As per the statement:

Some students washed 24 cars in 2 hours

Then by definition of unit rate.

\text{unit rate per hour}=\frac{24}{2} = 12

We have to find how many cars can they wash in 15 hours

⇒\text{Number of cars washed in 15 hours} = \text{Unit rate per hour} \cdot 15

Substitute the given values we have;

\text{Number of cars washed in 15 hours} = 12 \cdot 15

Simplify:

\text{Number of cars washed in 15 hours} = 180

Therefore, 180 cars can they wash in 15 hours

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