subject
Mathematics, 13.07.2020 14:01 reggie36151

Visitors to a cinema are either children, adults or pensioners. The ratio of children to adults is 1 : 2 The ratio of adults to pensioners is 3 : 4 A stratified example of 85 is to be taken from the cinema visitors. How many pensioners should be in the sample?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:50
If m 17 27 90 63 ** picture is attached
Answers: 1
question
Mathematics, 21.06.2019 17:30
How many $20 bills do you need to have to make $280
Answers: 2
question
Mathematics, 21.06.2019 18:00
You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.
Answers: 2
question
Mathematics, 21.06.2019 18:30
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?
Answers: 1
You know the right answer?
Visitors to a cinema are either children, adults or pensioners. The ratio of children to adults is 1...
Questions
question
Mathematics, 04.04.2020 13:24
question
Mathematics, 04.04.2020 13:24
Questions on the website: 13722367