john and steve are speed walkers in a race. john is 10 meters behind steve when he begins his final push. john blazes to the finish at a pace of 4.2 m / s, while steve maintains a blistering 3.7 m / s speed. if john finishes the race 2 meters ahead of steve, how long was john ’ s final push?
Pick:
A) 13 seconds
B) 17 seconds
C) 24 seconds
D) 34 seconds
E) 51 seconds
<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<gadget id="calculator">3.7 * 12</gadget>
<output>44.4</output>

<gadget id="calculator">4.2 - 3.7</gadget>
<output>0.5</output>

<gadget id="calculator">44.4 / 0.5</gadget>
<output>88.8</output>

<gadget id="calculator">88.8 + 12</gadget>
<output>100.8</output>

<gadget id="calculator">100.8 / 4.2</gadget>
<output>24</output>

<result>C</result>
john and steve are speed walkers in a race. john is 10 meters behind steve when he begins his final push. john blazes to the finish at a pace of 4.2 m / s, while steve maintains a blistering 3.7 m / s speed. if john finishes the race 2 meters ahead of steve, how long was john ’ s final push?
divide(add(divide(multiply(3.7, add(10, 2)), subtract(4.2, 3.7)), add(10, 2)), 4.2)
"let t be the time that john spent for his final push . thus , per the question , 4.2 t = 3.7 t + 10 + 2 - - - > 0.5 t = 12 - - - > t = 24 seconds . c is the correct answer ."