book Maths Puzzle Numerical Ability

q over 7 + 1 > -5

11y + 13 greater than or equal to -1

-3v +3 less than or equal to -12

-1 - m over 4 less than or equal to 5

3x over 7 - 2 < -3

9n - 24n + 42 > 0

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Two cars leave towns 230 miles apart at the same time, traveling directly towards one another. One Car travels 15 m.p.h. slower than the other. They pass one another 2 hours late with a certain long distance compant the price of a 4-minute long distance call is $1.70 and an 11-minute call with the same company is $4.15

a.) write a linear equation that de