Exam 5: Combined Operations

A machinist can make 22 screws in one minute. How many screws can he make in 1 hour and 13 minutes?

Which property is represented by the following: 8 x (4 + 5) = (8 x 4) + (8 x 5)?

The equation: 5 x (3 + 4) = (5 x 3) + (5 x 4) is an example of the Distributive Property.

The Associative Property is also known as the Order Property.

Perform the indicated operation and solve: 12 x (2 + 4) =

An engineering department employs 296 drafters in departments X and Z. Each engineer is assigned four drafters. Department X has 44 engineers. How many engineers are in department Z ?

Perform the indicated operation and solve: (8 + 8) x (12 - 4) =

A piece of shafting is 108 ² long. Lengths of 16 ² , 18 ² , 30 ² , 8 ² , and 16 ² are cut from it. Determine how much material remains after these cuts are made. (No allowance is made for material lost in the cutting process.)

A machinist can make 24 screws in one minute. How many screws can he make in 2 hour and 12 minutes and 45 seconds?

Perform the indicated operation and solve: 72 ÷ 3 - 5 x 4 =