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Manhattan Prep
Of the birds in a particular aviary, 30 are both spotted and crested and 10 are neither spotted nor crested. What is the total number of birds in the aviary?
1) The number of birds that are spotted but not crested is 10 greater than the number of birds that are crested but not spotted
2) More than 3/5 of the birds in the aviary are spotted
OA E
Of the birds in a particular aviary, 30 are both spotted and crested and 10 are neither spotted nor crested. What is the total number of birds in the aviary?
1) The number of birds that are spotted but not crested is 10 greater than the number of birds that are crested but not spotted
2) More than 3/5 of the birds in the aviary are spotted
OA E












