Which of the Following Is an Example of Using Unit

question 16

Multiple Choice

Which of the following is an example of using unit ratemethod of solving proportions?

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

---

Definitions:

Capability

The quality or state of being capable; having the ability, power, or qualities necessary to do something.

Biological Perspective

An approach in psychology that examines psychological phenomena in terms of biological processes and aspects.

Psychosexual Development

Freud’s view that as children develop, they find sexual gratification through stimulating different parts of their bodies.

Brain Growth

The process of development and maturation of the brain, including increases in size, complexity, and neuron connectivity, crucial in early childhood development.