Round to the place value indicated.

Nearest hundredth $\hspace{30pt}$ 3.218

A box of 100 envelopes cost $2.19. A box of 150 envelopes cost$2.59. A box of 200 envelopes cost $2.99. Based on price alone, which box is the best buy?

Add.

$$\begin{array}{r l} & 542.36\\ & 400.50\\ + & ~~~~0.724 \\ \hline \end{array}$$

Subtract.

$$\begin{array}{r l} & 79.7\\ - & ~~9.924\\ \hline \end{array}$$

Round to the place value indicated.

Nearest cent $\hspace{45pt}$ $34.125

Round to the place value indicated.

Nearest tenth $\hspace{50pt}$ 2.348

Consider the Veterans Day sale on men's clothing. The ad says that the store will take an extra 50 percent off for a total savings of 60 to 65 percent on clearance dress shirts. Shirts that were originally $29.50 to$45.00 will have a final cost of $11.06 to$16.88. Is the total savings 60 percent to 65 percent?

Round to the place value indicated.

Nearest tenth $\hspace{50pt}$ 741.92

Subtract.

$$\begin{array}{r r} & 401.44\\ - & 98.25\\ \hline \end{array}$$

A box of 7.5-ounce size crackers costs $2.50. Also advertised was the 10.5-ounce size for$3.29. Based on price alone, which one is the better buy?

Add.

$$\begin{array}{r l} & 708.326\\ &~~ 57.942\\ + & ~~~~9.888 \\ \hline \end{array}$$

Figure out the unit price. Round answer to the nearest tenth of a cent.

Round to the place value indicated.

Nearest tenth $\hspace{50pt}$ 21.78

Round to the place value indicated.

Nearest ten $\hspace{55pt}$ 94