Deck 5: Combined Operations With Whole Numbers

Question 1

At high speed, a blower delivers 2,720 cu ft/min. This volume is divided equally among 16 ducts. Find in cu ft the amount of air that flows through each duct every minute.

Answer 1

170

Question 2

An installer finds that it takes 5 minutes to cut out a duct. It then takes 4 minutes to bend the metal and 6 minutes to lap and seal it. If the installer works 45 minutes out of each hour, how many ducts can be made in a 40-hour week?

Answer 2

120

Question 3

Perform the indicated operation and solve: 1,111+ 2,222 + 3,333 + 4,444 =

Answer 3

11,110

Question 4

A hot water baseboard radiator has 13 fins per inch. How many fins are in 76 inches of the radiator?

Question 5

Perform the indicated operation and solve: 3,508 - 77 =

Question 6

If five technicians work a total of 45 hours and each technician works the same number of hours, in order find how many hours each technician works you should multiply.

Question 7

Perform the indicated operation and solve: 6,075 ÷ 81 =

Question 8

A stockroom has 45 boxes of valves. Each box has 4 shut-off valves. What is the total number of shut-off valves in the stockroom?

Question 9

When solving problems involving combined operations, if a problem asks you to find the difference, it is a subtraction problem.

Question 10

Perform the indicated operation and solve: 994 x 18 =