At Luehrs Middle School, 112 sixth-grade students have a dog as a pet; this represents 35% of the sixth-grade students. How many sixth-grade students are at Luehrs Middle School?
To find the total number of sixth-grade students at Luehrs Middle School, we can set up a proportion using the information given:
112/total number of sixth-grade students = 35%/100%
Solving for the total number of sixth-grade students, we get:
112/x = 35/100
100(112) = 35x
11200 = 35x
x = 11200/35
x = 320
There are 320 sixth-grade students at Luehrs Middle School.