Phyllis has two gardens. In the first garden, she has 20 plants and 10% are tomato plants. In the second garden, she has 15 plants and 1/3 of these plants are tomato plants. What percentage of all the plants in her two gardens are tomato plants?
The first garden has 2 tomato plants because 20 x .1 = 
<gadget id="calculator">20*.1</gadget>
<output>2</output>
2.
The second garden has 5 tomato plants because 15 x (1/3) = 
<gadget id="calculator">15*(1/3)</gadget>
<output>5</output>
5.
She has 7 tomato plants in total because 2 + 5 = 
<gadget id="calculator">2+5</gadget>
<output>7</output>
7.
She has 35 plants in total because 20 + 15 = 
<gadget id="calculator">20+15</gadget>
<output>35</output>
35.
The proportion of tomato plants is .2 because 7 / 35 = 
<gadget id="calculator">7/35</gadget>
<output>1/5 = around 0.2</output>
.2.
The percentage of tomato plants is 20 because .2 x 100 = 
<gadget id="calculator">.2*100</gadget>
<output>20</output>
20.

<result>20</result>