Four pounds of apples cost $5. eight pounds of apples cost $10. if the total cost of apples, y, varies directly with the number of pounds of apples purchased, x, what is the cost of 6 pounds of apples? round your answer to the nearest hundredth.

Cost of 6 pounds of apples is:

$7.50

Step-by-step explanation:

Four pounds of apples cost $5.

Cost of 4 pounds of apple= $5

The total cost of apples varies directly with the number of pounds of apples purchased.

so, Cost of 1 pound of apples= $5/4

                                          = $1.25

Cost of 6 pounds of apples= $(1.25×6)

                                             = $7.5

Hence, cost of 6 pounds of apples is:

$7.50

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.