& \mathbf{Describe:} && \text{Two stores sell jars of oil paints.}\!\\&&& \text{Art's Supplies:} \ 5 \ \text{jars for} \ \$35\!\\&&& \text{Picture It:} \ 6 \ \text{jars for} \ \$43\!\\& \mathbf{My \ Job:} && \text{Decide which store has the better buy.}\!\\& \mathbf{Plan:} && \text{I'll start with Art's Supplies.}\!\\  &&& \text{I can easily figure out the price of one jar at that store.}\!\\  &&& \text{Then I'll find the cost of} \ 6 \ \text{jars at Art's Supplies and compare with Picture It.}\!\\& \mathbf{Solve:} && \text{Art's Supplies:} \ 5 \ \text{jars for} \ \$35 \ \text{is} \ 35 \div 5, \ \text{or} \ \$7 \ \text{per jar.}\!\\&&& \qquad \qquad \quad 6 \ \text{jars at Art's Supplies are} \ 6 \times 7, \ \text{or} \ \$42.\!\\  &&& \qquad \qquad \quad \$42 \ \text{is less than} \ \$43. \ \text{So Art's Supplies has the better buy.}\!\\& \mathbf{Check:} && \text{Art's Supplies:} \ \$35 \div 5 = 7 \ \text{and} \ 6 \times 7 = \$42.\!\\&&& \qquad \qquad \quad \$42 < \$43
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