exam Maths Puzzle Numerical Ability

solve by graphing
2x+y=4
x+y=3

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exam Other Question

Simplify

2x - 10/x2nd power - 25 divided by x2nd power - 2x -15/x2nd power - 4x -5
A pair of jeans is on sale for $39.20, which is 30% off the original
price. Find the original price of the jeans.

a. $42.20
b. $50.96
c. $56.00
d. $69.20