In a​ race, 49 out of the 50 bicyclists finished in less than 40 minutes. What percent of bicyclists finished the race in less than 40 ​minutes? Write an equivalent fraction to find the percent.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.