kathleen can paint a room in 2 hours, and anthony can paint an identical room in 3 hours. how many hours would it take kathleen and anthony to paint both rooms if they work together at their respective rates? Choose the correct option.
A) 8 / 15
B) 4 / 3
C) 12 / 5
D) 9 / 4
E) 15 / 4
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) + (1/3)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 / (5/6)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) * 2</gadget>
<output>12/5 = around 2.4</output>

<result>C</result>
kathleen can paint a room in 2 hours, and anthony can paint an identical room in 3 hours. how many hours would it take kathleen and anthony to paint both rooms if they work together at their respective rates?
multiply(divide(const_1, add(divide(const_1, 2), divide(const_1, 3))), 2)
"( 1 / 2 + 1 / 3 ) t = 2 t = 12 / 5 answer : c"