The zoo got some new giraffe.The zookeeper asked the helper to deliver one bucket of food to each new giraffe.The zookeeper gave his helper some clues about hiw many new zebras needed food.There are more than 15 but fewer 25. It us an odd number.The sum of the digit is 5.How many buckets does the helper need? Write the number.



23 is the number.
where 2 + 3 = 5, 23 is more than 15 but fewer than 25