Solve Write Your Answer in Simplest Form $3 \frac { 1 } { 2 }$

question 109

Multiple Choice

Solve. Write your answer in simplest form.
-Amy decided to bake bread and a cake. For the bread she needed $3 \frac { 1 } { 2 }$ cups of flour. For the cake she needed $1 \frac { 2 } { 3 }$ cups of flour. She had only $3 \frac { 3 } { 5 }$ cups of flour. How much more flour did she need?

• A) \(1 \frac { 2 } { 15 }\) cups
• B) \(1 \frac { 9 } { 30 }\) cups
• C) \(2 \frac { 1 } { 15 }\) cups
• D) \(1 \frac { 17 } { 30 }\) cups

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Definitions:

Expiratory Reserve Volume

The extra amount of air that can be forcibly exhaled after the completion of a normal, quiet expiration.

Vital Capacity

The maximum amount of air a person can expel from the lungs after a maximum inhalation.

Inspiratory Capacity

The maximum amount of air that can be inhaled after the end of a normal, relaxed expiration, combining tidal volume and inspiratory reserve volume.

Pulmonary Respiration

The process of exchanging oxygen and carbon dioxide between the lungs and the environment; also known as breathing.