Which of the Following Is an Example of Using a Buildup

question 3

Multiple Choice

Which of the following is an example of using a buildup strategy method of solving proportions?

• A)Allison bought 3 pairs of socks for $12.To find out how much ten pairs cost,find that $12 divided by 3 is $4 a pair,and multiply $4 by 10 for a total of $40.
• B)A square with a length of 2 inches was enlarged by a scale factor of 4 and is now 8 inches long.
• C)If 5 candy bars cost $4.50,then 10 would cost $9.(Because 5 × 2 = 10,multiply $4.50 by 2).
• D)If 23= x15 ,find the cross products,30 = 3x,and then solve for x.x = 10.

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Definitions:

Dimensions

Measurements that define the size, shape, scale, or extent of something, usually represented in length, width, and height.

Engineering Drawings

Detailed plans or diagrams that communicate the design, dimensions, and manufacturing requirements of engineering objects or systems.

Width

The measurement of an object from one side to the other.

Left To Right

Typically refers to the reading or scanning direction of text or elements in a design or layout.