Mathematics, 27.09.2019 03:30 gwbdee918

Each of a, b,c need a certain unique time to do a certain work. c needs 1hr less than a to complete the work. working together they require 30min to complete 50percent of the job. the work also gets completed if a & b start working together and a leaves after 1hr and b works for further 3 hrs. how much work does c do per hour?
a)16.6%
b)33.3%
c)66.6%
d)50%

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:30, ellamai16

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Answers: 3

continue

Mathematics, 21.06.2019 15:20, jeanieb

Which function is increasing? o a. f(x)=(1/15)* o b. f(x)= (0.5)* o c. f(x)=(1/5)* o d. f(x) = 5*

Answers: 1

continue

Mathematics, 21.06.2019 18:00, yfnal3x

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Answers: 1

continue

Mathematics, 21.06.2019 18:10, lulustar13

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Answers: 3

continue

You know the right answer?

Each of a, b,c need a certain unique time to do a certain work. c needs 1hr less than a to complete...