The PTA at Okland High School is having its annual dinner and auction to raise money for music and art programs. Last year, the event raised $36,620. This year, it raised $18,310. What is the percent of decrease in the amount raised?

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.