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Insturctions to care for a plant say to water it with 3/4 cup of water every day.The plant has been getting 25% too much water. How much water has the plant been getting?

2 Answers

6 votes

Answer:

The answer is: 15/16

User Yousif Abdalla
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3 votes

For this case we propose a rule of three. We assume that the excess water received was in one day. So:


\frac {3} {4} cup ------> 100%

x ----------------------------> 25%

Where "x" represents excess water.


x = \frac {25 * \frac {3} {4}} {100}\\x = \frac {\frac {75} {4}} {100}\\x = \frac {75} {400}\\x = \frac {15} {80}\\x = \frac {3} {16}

Thus, the excess water is
\frac {3} {16}cups.

Then, in one day you receive in total:


\frac {3} {4} + \frac {3} {16} = \frac {16 * 3 + 4 * 3} {16 * 4} = \frac {48 + 12} {64} = \frac {60 } {64} = \frac {15} {4}cups of water.

Answer:


\frac {15} {4} cups of water

User Flashspys
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