A store manager purchases a DVD for. 15$ He marks it up to 21.75 in order to make a profit what is the percent increase

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75