Answer:
215
Step-by-step explanation:
set the student number is x. adult number is y.
accroding to the question: x+y=310, x=25+2y
so 25+2y+y=310,
25+3y=310,
3y=285,
∴y=95, x=215
Answer:
the answer is 215.
Step-by-step explanation:
Here's the work:
95(2)=190
190+25=215
215 equals the amount of seats that are reserved for kids.
and the number we started of with, which is 95, should be the number of adults. To check this we add 215to 95, which equals to 310.