Dean High School is taking a group of students on a cruise to Puerto Rico. The total number of tickets that were purchased is 90. There needs to be a ratio of 5:1 students to adults. Please answer the 3 questions How many Students are going?
How many Adults are going?
There are other schools from Holyoke going on the cruise too. If the cruise ship holds a maximum of 400 passengers and each school gets the same number of tickets, how many schools can come on the cruise?

75 students are going. 15 adults are going.

Step-by-step explanation:

Since the question says there are 90 tickets in total, 75 student ticket plus 15 adult tickets equals 90 tickets in total. Also 75 divided by 15 is 5, which suits the ratio of 5 students to per adult.

There wasn't enough information for me to solve the last one, but I hope this helps!

  21.3

step-by-step explanation:

multiplying the given equation by c/sin(25°), we get

  c = 9/sin(25°) ≈ 21.2958 ≈ 21.3

we assume "c" is the length of ab, the side opposite angle c in triangle abc.

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