Marian bought 17 dozen cookies for a school party. THe price of the cookies ranged from $4 to $6 per dozen. Which could be the total cost of the cookies not including tax?

A.30
B.60
C.90
D.120
E.150
C?

Mr.Emerson's truck travels an average of 18 milers per gallon of gas.The gas tank holds 24 gallons.Which is the best estimate of the total number of miles Mr.Emersons truck can travel on a full tank of gas?
A.200
B.250
C.300
D.400
E.600
D?

Both of your answers are right. :-)

For the first question, we need to find the total cost of the cookies by multiplying the number of dozen cookies by the price per dozen. Since Marian bought 17 dozen cookies, we need to determine the range of prices per dozen to find the possible total costs.

The lowest price per dozen is $4, so the lowest possible total cost is 17 dozen multiplied by $4, which equals $<<17*4=68>>68.

The highest price per dozen is $6, so the highest possible total cost is 17 dozen multiplied by $6, which equals $<<17*6=102>>102.

Therefore, the total cost of the cookies can range from $68 to $102, and none of the given answer options match. Therefore, the correct answer cannot be determined with the given answer choices.

For the second question, to find the total number of miles Mr. Emerson's truck can travel on a full tank of gas, we need to multiply the average miles per gallon by the number of gallons the gas tank holds.

The average miles per gallon is 18, and the gas tank holds 24 gallons. To find the total number of miles, we multiply 18 by 24, which equals 432 miles.

Among the given answer choices, the closest estimate to 432 miles is option D, which is 400. Therefore, the best estimate of the total number of miles Mr. Emerson's truck can travel on a full tank of gas is 400 miles.