Mary is driving on a highway. She uses one gallon of gas for every 50 miles she drives. The distance, D (in miles), she travels on g gallons of gas is given by the following function. D (g) = 50g

How far does Mary drive if she uses 5 gallons of gas?

step-by-step explanation:

just plug in each number for x and see which ones work and don't

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98