Mathematics, 30.08.2019 17:30 matthew6889

Amachine can insert letters in envelopes at the rate of 120 per minute. another machine can stamp the envelopes at the rate of 3 per second. how many such stamping machines are needed to keep up with 18 inserting machines of this kind?
(a) 12
(b) 16
(c) 20
(d) 22
(e) 24

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, pr47723

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Answers: 3

continue

Mathematics, 21.06.2019 18:40, ferny5106

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form: science fiction books to history books 2. write the ratios as fractions: dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Answers: 1

continue

Mathematics, 21.06.2019 23:00, bustillojoshua4

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

Answers: 1

continue

Mathematics, 22.06.2019 00:00, evazquez

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

Answers: 2

continue

You know the right answer?

Amachine can insert letters in envelopes at the rate of 120 per minute. another machine can stamp th...