Eric eats oatmeal at a constant rate of $\frac{2}{5} oz per minute$ . Rosalyn reaches Eric’s place $30$ minutes after he starts eating oatmeal. How much oatmeal did he consumed by then?

12 o z

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6 o z

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24 o z

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3 o z

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Solution

The correct option is A $12 o z$
Rate of eating $= \frac{2}{5} o z / m i n$
Oatmeal eaten in $30$ minutes $= \frac{2}{5} \frac{o z}{m i n} \times 30 = 12 o z$

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Eric eats oatmeal at a constant rate of 25oz per minute. Rosalyn reaches Eric’s place 30 minutes after he starts eating oatmeal. How much oatmeal did he consumed by then?

The correct option is A 12 ozRate of eating =25 oz/min Oatmeal eaten in 30 minutes =25 ozmin×30=12 oz

Eric eats oatmeal at a constant rate of $\frac{2}{5} oz per minute$ . Rosalyn reaches Eric’s place $30$ minutes after he starts eating oatmeal. How much oatmeal did he consumed by then?

The correct option is A $12 o z$
Rate of eating $= \frac{2}{5} o z / m i n$
Oatmeal eaten in $30$ minutes $= \frac{2}{5} \frac{o z}{m i n} \times 30 = 12 o z$