Store has a sale for 25% off all items. The sale price of an item is $16. Which equation would calculate the original price of the item? A. y-25=16 B.0.75y=16 C. y+75=16 D. 0.25y=16

Hannah is 3 years older than twice her brother joey’s age. joey is 2 years old. how old is hannah? show all of your work! the number of students is five more than seven times the number of teachers. there are 10 teachers. how many students are there? be sure to show all of your work!

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

What are “like terms”? why can we only add like terms?