Question: In a school, 100 students have access to three software packages A, B and C. 28 did not use any software , 8 used only

In a school, 100 students have access to three software packages A, B and C. 28 did not use any software , 8 used only packages A 26 used only packages B , 7 used only packages C. 10 used all three packages. , 13 used both A and B. 1. Draw a Venn diagram with all sets enumerated as for as possible. Label the two subsets which cannot be enumerated as x and y in any order. 2. If twice as many students used package B as package A, write down a pair of simultaneous equations in x and y. 3. Solve the equations to find x and y. 4. How many students used package C

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