3.5 Pounds of cheese cost $12 determine the cost per pound

Han found a way to compute complicated expressions more easily. Since , he looks for pairings of 2s and 5s that he knows equal 10. For example, Use Han's technique to compute the following:

Solution

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Problem 4

The cost of cheese at three stores is a function of the weight of the cheese. The cheese is not prepackaged, so a customer can buy any amount of cheese.

Store A sells the cheese for dollars per pound.

Store B sells the same cheese for dollars per pound and a customer has a coupon for $5 off the total purchase at that store.

Store C is an online store, selling the same cheese at dollar per pound, but with a $10 delivery fee.

This graph shows the price functions for stores A, B, and C.

Coordinate plane, horizontal, weight of cheese in pounds, 0 to 12 by 2, vertical, cost in dollars,

Match Stores A, B, and C with Graphs , , and .

How much does each store charge for the cheese per pound?

How many pounds of cheese does the coupon for Store B pay for?

Which store has the lowest price for a half a pound of cheese?

If a customer wants to buy 5 pounds of cheese for a party, which store has the lowest price?

How many pounds would a customer need to order to make Store C a good option?

Step-by-step explanation: