Question

Elisa's mom teaches at preschool. There is 1 teacher for every 12 students at the preschool. There are 276 students at the preschool. Elisa is setting up equivalent ratios to find the number of teachers at the preschool. Find her mistake and correct it. Elisas work-- 12/1 = ?/276 (Complete sentenses)

Answer 1

12 students/1 teacher  = 276 students/x teachers

Students are on top of the ratio and teachers are on the bottom of the ratio.  It must remain the same on both sides of the equation.

12 x = 276

divide by 12

x =23