book Maths Puzzle Numerical Ability

Karen Waugtal invested some money @ 9% annual simple interest and $250 more than that amount into a 10% simple interest. If her total yearly interest was $101, how much did she in

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book Other Question

Solve the following system of linear inequalities by graphing and stating coordinates in words..
x + 2y < 3 and 2x - 3y < 6 A neighborhood grocer sells a mix of chocolate and carob candy. The chocolate cost $2.70 a pound and the carob costs $2.55 a pound. If 20 pounds of the chocolate and 40 pounds of the carob candy are used, what is the cost per pound of the mixture?