A16\dfrac1216 2 1 ? kilometer stretch of road needs repairs. workers can repair 2\dfrac142 4 1 ? kilometer of road per week. how many weeks will it take to repair this stretch of road?

weeks.

Step-by-step explanation:    

We have been given that a km stretch of road needs repairs. Workers can repair kilometer of road per week.

To find the number of weeks it will take to repair the stretch we will divide by

Upon converting our mixed fractions into improper fractions we will get,

Dividing a fraction with another fraction is same as multiplying the 1st fraction with the reciprocal of second fraction.

Therefore, it will take weeks to repair the stretch of the road.

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168