One boy can eat 100 chocolates in half a minute, and another can eat half as many in twice the length of time. How many chocolates can both boys eat in 15 seconds? Pick:
A) 61.5 chocolates
B) 63.5 chocolates
C) 62.5 chocolates
D) 64.5 chocolates
E) 65.5 chocolates
1st boy eats 100 chocos / 30 sec   so he can eat 50 in 15 sec   2nd boy can eat one-half of 100 in twice of 30 sec   so he can eat 50 in 60 sec   or that is 12.5 in 15 sec   so, together they can eat   50 + 12.5 or   62.5 chocolates in 15 seconds.   ANSWER:62.5 chocolates
<result>C</result>
One boy can eat 100 chocolates in half a minute, and another can eat half as many in twice the length of time. How many chocolates can both boys eat in 15 seconds?