Joe goes on a hike. The graph below represents the relationship of the distance he hikes to the time he spends hiking.
Hiking Distance

At what unit rate does Joe hike?

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

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The sum of 5consecutive even numbers is 100. what is the first number in this sequence?