What fraction of a dollar is 40 cents
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Ten cents = 1/10 of a dollar.
5 dimes is fifty cents. Fifty cents is a half dollar so the fraction is 1/2.
1 dollar = 100 cents.There fore, 83 cents/1 dollar = 83 cents/100 cents = 83/100.
A quarter is called a quarter because it is a quarter, or 1/4, of a dollar. So three quarters make up 3/4 of a dollar!
You take the .8 and multiply it by 100 because a percent of something is one hundredths of 1. For example, 75 cents is 75 one hundredths of a dollar. 75 cents is written as .75 in decimal form. .75 (75 cents) is 75% of 1 dollar. To change 75 cents or .75 to a percent, you just multiply it by 100 which .75 times 100 is 75. So, to find out what .8 is as a percent you just multiply it by 100 which is 80.