In all countries that use dollars and cents as their currency, $1 = 100 cents, so 45¢ = 45/100 of a dollar, or 45%.
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There are 100 cents in one dollar. Therefore, nine twentieths of a dollar is equal to 9/20 x 100 = 45 cents.
bob
45 including a half dollar.
Forty-five 1 nickel = 5 cents = 0.05 dollars 5 nickels = 25 cents = 0.25 dollars 20 nickels = 1 dollar Answer: 20 + 20 + 5 = 45 or 2.25/0.05 = 45
three tenths or 30%.