Qcyclist rode 3.75 miles in 0.3 hours. how fast was she going in miles per hour. at that rate how long will it take her to go 4.5 miles

She rode 12.5 miles per hour .She rode 12.5 miles per hour .

She will take 0.36 hours to go 4.5 miles.

Step-by-step explanation:

Given : A  cyclist rode 3.75 miles in 0.3 hours..

Here , distance = 3.75 miles

Time = 0.3 hours

Then,  Speed =

That means : She rode 12.5 miles per hour .

Now , with the same rate the time taken by her to go 4.5 miles =

Hence, she will take 0.36 hours to go 4.5 miles.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2