SOLUTION: Three people are working on one project. The first person is in charge of 1/4 of the project and the second person is in charge of 2/5. How much of the project the third person is

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Three people are working on one project. The first person is in charge of 1/4 of the project and the second person is in charge of 2/5. How much of the project the third person is       Log On


   

Question 1078397: Three people are working on one project. The first person is in charge of 1/4 of the project and the second person is in charge of 2/5. How much of the project the third person is in charge of? Thanks.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
So, what is left after 1/4 and 2/5? Then:
1 -1/4 -2/5=20/20- 5/20- 8/20=7/20ths of the job left for the 3rd person. ☺☺☺☺