How to change 18/48 into simplest form

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Through non-collinear points there is exactly one plane.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8