Difference between revisions of "2011 AMC 10A Problems/Problem 8"
Lord.of.AMC (talk | contribs) (Created page with '== Problem 8 == Last summer 30% of the birds living on Town Lake were geese, 25% were swans, 10% were herons, and 35% were ducks. What percent of the birds that were not swans w…') |
Lord.of.AMC (talk | contribs) (→Solution) |
||
| Line 5: | Line 5: | ||
== Solution == | == Solution == | ||
| − | 75% of the total birds were not swans. Out of that 75%, there was <math>30\% \cdot 75\% = \boxed{40\%}</math> of the birds that were not swans that were geese. | + | 75% of the total birds were not swans. Out of that 75%, there was <math>30\% \cdot 75\% = \boxed{40\%}</math> of the birds that were not swans that were geese. (C) |
Revision as of 22:21, 10 February 2011
Problem 8
Last summer 30% of the birds living on Town Lake were geese, 25% were swans, 10% were herons, and 35% were ducks. What percent of the birds that were not swans were geese?
Solution
75% of the total birds were not swans. Out of that 75%, there was 
of the birds that were not swans that were geese. (C)
