book Maths Puzzle Numerical Ability

Simplify each complex fraction. Reduce each answer to lowest terms.

1/3+1/y
________
y/3 - 3/y

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book Other Question

Find the slope and y-intercept of the graph of:

7x+6y-30=0 A and B are 30km apart. If they leave at the same time and travel in the same direction, A overtakes B in 60 hours. If they walk toward each toher, they meet in 5 hours. What ar