Question

A collection of 34 coins consists of dimes and nickels. The total value is $2.10. How many dimes are there?

A local sorority sold hot dogs and bratwursts at the spring fling picnics. The first day they sold 8 dozen hot dogs and 13 dozen bratwursts for $290.40. The second day they sold 10 dozen hot dogs and 15 dozen bratwursts for a total of $342.00. How much did each​ cost? Solve this system using an inverse matrix.​ (Hint: It's easier to leave the dozens in the problem until the last​ step.)

Each hot dog sold for   $?

Answer 1

Kindly go through the solution and let me know in case of any doubt or further clarification is needed in the comment box.
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