Gina works at a diner. she earns $6 each hour plus tips. in one week, she worked 37 hours a week and earned $43 in tips. how much did she make altogether? write an equation. use a variable for the unknown. solve.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Jody bought 20 shares of amazon at the close price of $121.00. she bought 20 more shares a year later at the price of $127.00. two years later, she sold all of her shares at the price of $133.00. her broker charges $50 for each transaction. after all of these transactions, how much money did jody make?