1. Sean can spend at most $900 for a camera and some memory sticks. He plans to buy the camera for $695 and sticks for $5.75 each. Write an inequality that could be used to find the number of sticks (x) that he could buy. How many sticks could he buy?

2. In Sweetwater, Arizona, water bills are taxed on the basis of the amount of the monthly bill in order to encourage conservation. If the bill is more than $0 but less than $60, the tax is 2% of the bill; if the bill is $60 or more but less than $80, the tax is 4% of the bill; and if the bill is $80 or more, the tax is 6% of the bill. Write the inequalities that represent the amounts of tax owed in these three cases.