Problem 55
You are shopping for school supplies. A store is offering a \(10 \%\) discount on binders and a \(20 \%\) discount on packages of paper. You want to buy 5 binders originally marked $$ 2.50\( each and 10 packages of paper originally marked $$ 1.30 each. a. Write an expression that shows how much you will save after the discounts. b. Evaluate the expression. c. Writing If you have $$ 25\) to spend on supplies, how much money will you have left over? Explain how you arrived at your answer.
Problem 61
Evaluate the expression when \(x=2\). \(2 x\)
Problem 63
One room in Jean's apartment is a square measuring 12.2 feet along the base of each wall. How many square feet of wall-to-wall carpet does Jean need to carpet the room?
Problem 67
You are taking a trip by automobile with the family of a friend. You have \(\$ 65\) to help pay for gas. It costs \(\$ 15\) to fill the tank. Can you completely fill the gas tank four times? You use the inequality \(15 x \leq 65\) to model the situation. What do \(15, x,\) and 65 represent?
Problem 72
Compare using \(<,=,\) or \(>.\) $$18.45 \underline{?} 18.5$$
Problem 88
FORM Write the expression in exponential form. three cubed
Problem 98
Write the expression in exponential form. $$6 \cdot x \cdot x \cdot x \cdot x \cdot x \cdot x$$
Problem 99
Write the expression in exponential form. $$t+t+t+t+t+t$$