Solution to In a school 100 students have access to three software packages A, B, C. Where … - Sikademy
Author Image

Archangel Macsika

In a school 100 students have access to three software packages A, B, C. Where 28 didn’t use any software, 8 used only package C, 26 used only package A,7 used package B, 10 used all three packages, 13 used both A and C a) Draw a Venn diagram with all sets enumerated as for as possible. b) If twice as many students used package A as Package C, write down a pair of simultaneous equations in x and y. c) Solve these equation to find x and y. d) How many students used package B.

The Answer to the Question
is below this banner.

Can't find a solution anywhere?

NEED A FAST ANSWER TO ANY QUESTION OR ASSIGNMENT?

Get the Answers Now!

You will get a detailed answer to your question or assignment in the shortest time possible.

Here's the Solution to this Question

a)


26+7+8+3+x+y+10+28=100

b)


26+x+3+10=2(8+3+y+10)

Then


\begin{matrix} x+y=18\\ \\ x+39=2y+42 \end{matrix}


c)


\begin{matrix} x=18-y\\ 18-y+39=2y+42 \end{matrix}

\begin{matrix} x=18-y\\ 3y=15 \end{matrix}

\begin{matrix} x=13\\ y=5 \end{matrix}

d)


7+13+5+10=35

35 students used package B.



Related Answers

Was this answer helpful?

Join our Community to stay in the know

Get updates for similar and other helpful Answers

Question ID: mtid-5-stid-8-sqid-2888-qpid-1587