Carla has twice as much money as peter. together they have $105. how much does cara have?

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225

i think there was a typo. you wrote pat brings 3 quarts of ice-cream to the party. each serving of ice-cream is 1 6 quart. how many total servings of ice-cream does pat bring to the party? i think the bold is supposed to be 1/6. so 1 quart of ice cream = 6 servings. 6 * 3 = 18.