Your paycheck from work was $304.25. you used some of your earnings to buy an mp3 player for $149. now it will cost you $1.15 to buy each song. how many songs will you be able to buy with the rest of your paycheck?

The product of sin 30 degrees and sin 60 degrees is same as the product of

Huong is organizing paperback and hardback books for her club's used book sale. the number of paperbacks is 12 less than three times the number of hardbacks. huong had 162 paperbacks. how many hardback books were there?

How do you figure out which order to do two step equations in? like which thing do you subtract/add/multiply/divide first? i understand that you do the opposite of whatever's shown on the opposite side, but when?