a teacher is 15 years older than her students. in 15 years the ratio of their ages will be 3:2.?

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a teacher is 15 years older than her students. in 15 years the ratio of their ages will be 3:2.?

2006-11-13 23:46:13 · 3 answers · asked by Anonymous in Education & Reference ➔ Teaching

3 answers

now
let teacher"s age be x
students age = x-15
after 15 years
teacher" age =15+x
stucents age=x+15-15=x
given ratio is 3:2
so
15+x divided by x is 3:2
so 2(15+x)=3x
so x=15
so teachears age is 15+15=30
students age =15

2006-11-13 23:54:35 · answer #1 · answered by kishore k 2 · 1⤊ 0⤋

The teacher is now 30 years old.

2006-11-14 07:56:03 · answer #2 · answered by karldon 3 · 0⤊ 0⤋

Wouldn't you have to know the age of the students first?

2006-11-14 08:09:11 · answer #3 · answered by ckrug 4 · 0⤊ 1⤋