Marta earns $12.50 from babysitting, and then spends some of her earnings on a new book. She has $8.00 of her earnings left. Write and solve an equation to find
the cost of the book.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.