exam Maths Puzzle Numerical Ability

you have $30 in change, consisting of quarters and dimes. Write an ineq1uality that shows the different number of coins.

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exam Other Question

a rectangular box is to be used to store materials. The inside of the box is 12.0 in. long, 9.50 in. wide, and 8.75 in. deep. What is the area of sheet lead that must be used to line the inside of the box? In a round-robin tennis tournament, every player meets every other player exactly once. How many players can participate in a tournament of 45 matches?