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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Studio Apartment

A small living space combining the living room, bedroom, and kitchen into a single room.

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Musical instruments that produce sound through the vibration of strings, which can be plucked, strummed, or bowed.

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Instruments that produce sound through being struck, shaken, or scraped, such as drums, cymbals, and xylophones.