You own a beauty salon where you not only cut hair but you also sell hair products. you buy a dozen barrettes for $18.00 and then sell them in your store for $2.00. you want to calculate your percent mark up.
to do so, you multiply 2 by 12, subtract 18 and then divide by 12. is this correct?

Twelve friends shared 8 small pizzas equally.how many pizzas did each person get?

If your annual gross income is $62,000 and you have one monthly car payment of $335 and a monthly student loan payment of $225, what is the maximum house payment you can afford. consider a standard 28% front-end ratio and a 36% back-end ratio. also, to complete your calculation, the annual property tax will be $3,600 and the annual homeowner's premium will be $360.

With number 11 ( show how you got the answer)