The sum of the digits of a three -digit number is 14. The hundreds digit is 4 times the ten’s digit and twice the one’s digit. Find the number.

Ahealth-food producer has 250 samples of a new snack to distribute in the mall. the producer has to keep at least 50 samples for display in the health food for the product launch. how long will the samples last if consumers are taking the samples at a rate of 25 every hour