in a kilometer race , a beats b by 48 meters or 12 seconds . what time does a take to complete the race ?
"time taken by b run 1000 meters = ( 1000 * 12 ) / 48 = 250 sec . time taken by a = 250 - 12 = 238 sec . answer : a"
subtract(divide(multiply(const_1, const_1000), divide(48, 12)), 12)