A box contains 68 coins only dimes and nickels . The amount money in the box is $5.65. How many nickels and how many dimes are there ?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

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If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost