# Math

In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to those who offer Physics only and the sum of the number of students who offer Biology and those who offer Chemistry is equal to the number of students who offer Physics.
(a) illustrate the information on a Venn diagram
(b)find the number of students who offer
(I) Chemistry only
(II)only two subjects
(III)only one subject
(IV)physics
(V)Chemistry
(VI)Chemistry and Physics only

1. 👍
2. 👎
3. 👁
1. i.20 ii.70 iii.20 iv.70

1. 👍
2. 👎
2. I. 20
II. 20
III. 70
IV. 70
V.30

1. 👍
2. 👎

1. 👍
2. 👎

## Similar Questions

1. ### Mathematics

A survey of 100 students produced the following statics: 32 study mathematics, 20 study physics, 45 study Biology, 15 study mathematics and biology, 7 study mathematics and physics, 10 study physics and Biology, 30 do not study

2. ### math

A school has 63 students studying Physics, Chemistry and Biology. 33 study Physics, 25 Chemistry and 26 Biology. 10 study Physics and Chemistry, 9 study Biology and Chemistry while 8 study both Physics and Biology. Equal numbers

3. ### maths

In a class of 80 students, 53 study Art, 60 study Biology, 36 study Art and Biology, 34 study Art and Chemistry, 6 study Biology only and 18 study Biology but not Chemistry. Illustrate the information on a Venn diagram. Determine

4. ### maths

In a class of 60 students,the number of students who passed biology is 6 more than the number who passed chemistry.Every student passed at least one of the two subjects and 8 students passed both subjects.How many students passed

1. ### Mathematics

in a class of 70 students, 6 offer economics only, 18 offer economics but mathematics, 36 offer economics and geography, 53 offer economics, 50 offer geography and 34 offer mathematics and geography. All students offer atleast one

2. ### Mathematics

In a class of 50 students, the number of students who offer Accounting is twice as the number who offer Economics. 10 students offer neither of tsubjecs the two subjects. I. Illustrate the information on a Venn diagram. II. How

3. ### maths

In a class of 60 students,the number of students who passed biology is 6 more than the number who passed chemistry.Every student passed at least one of the two subjects.i.how many students passed biology ii.how many students

4. ### Mathematics

In a class of 50 students,the number of students who offer Accounting is twice as the number who offer Economics.10 students offer neither of the two subjects and 5 students offer both subjects.Illustrate this information on the

1. ### Math

In a class of 50 students,30 study Biology and 25 study Economics. 15 study neither Biology nor Economics. (A) How many take both subjects? (B) How many take Biology only? (C) How many take Economics only?

2. ### Maths

In a class of 80 students 53 study art,60 study biology,36 study art and biology,34 study art and chemistry,6 study biology only and 18 study biology but not chemistry.Illustrate the information on a Venn diagram.Determine the

3. ### mathematics

If 45 percent of the students of a class have offered mathematics and 85 percent of them biology, find the percentage of students who offered biology only?

4. ### Science

I'm really bad at Biology and Science in general. Chemistry and Physics will be difficult for me because I'm not good at the Science branch even though I study and work hard for Science/Biology. What can I do to improve?