John, johan, and jonathan collect postage stamps. johan and jonathan have the same number of stamps. two times johan’s collection is eleven less than five times john’s collection, and three times jonathan’s collection is three less than seven times john’s collection.

what is the number of postage stamps in john’s collection?

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?