exam Maths Puzzle Numerical Ability

Solve the following systems by substitution. Example 2 (p 712) and Example 4 (p 713) are the key models to go by for solving these exercises�.

16) 5x - 2y = -5
y - 5x = 3

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exam Other Question

A number between 300 and 400. If it is divided by 2, the remainder is 1. If it is divided by 4,6, or 8, the remainder is 3. If it is devied by 10, the remainder is 5. If t divided by 3,5,7, or 9, the remainder is zero. What is the number? A baseball player's batting average is the ratio of the number of hits to the official number of times at bat. A player had 150 hits during a season and wound up with a batting ave