2. Sye had a total of 12 tennis balls after she bought a can of 3 balls. How many tennis balls did she have before buying the new ones?
x - 3 = 12
x + 3 = 12

Explain how you can use the associative property to evaluate (7x50)x4.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96