Solve the system of linear equations by substitution, and show the steps please! x+2y= 6
x+2y= 2
thank u :)

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

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.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?