jones, Andrews and John invented 50000 , 30000 and 30000 respectively in a business divide a profit of 19877 between the partners in the same ratio as the capital invested​

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog