# help in chemistry…?

Canadian 10¢ and 25¢ coins are made of pure nickel which has a density of 8.902 g/cm3. Suppose each dime weighs 2.02 g and each quarter weighs 5.05 g. A small collection of dimes and quarters are submerged in 10.00 mL of water in a graduated cylinder causing the water level to rise to the 18.74 mL mark. What is the combined monetary value (in Can$) of those coins?

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8.74 ml was displaced. 8.902 times 8.74 is 77.80348 (approximately)

5.05 times 11 is 55.55 and 2.02 times 11 is 22.22 that equals 77.77, so it should be 3.85$