900/45 = 20
so ratio of middle school students and teachers: 900:45 = 20:1
if high school student-teacher ratio as middle school then
x/110 = 20/1
so x = 110 * 20 = 2200
answer is C) 2200
3 quarters and a dime a nickel and 4 pennies
Answer:
this is only one functions, it means all is correct.