in a kilometer race , a beats b by 50 meters or 5 seconds . what time does a take to complete the race ?
"time taken by b run 1000 meters = ( 1000 * 5 ) / 50 = 100 sec . time taken by a = 100 - 10 = 90 sec . answer : d"
subtract(divide(multiply(const_1, const_1000), divide(50, 5)), 5)