exam Maths Puzzle Numerical Ability

Can someone please assist me with this problem?

Solve the following system of linear inequalities by graphing.
x – 2y <4
x > 1

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exam Other Question

The attendance at a concert was 1250. Admission was $20 each for adults and $10 each for children. Total receipts were $22,500. How many adults attended?

a) 750
b) 500
c) 250
d) 1000
e) none of the above
find the point on the positive y-axis that is a distance 5 from the point P(3,4)