Budgets and best buys

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Learn it A budget compares money you have with money you spend. To compare prices, find the cost for the same amount (the unit price).

Example: 6 granola bars for $\$4$, or 10 for $\$6$. Which is the better buy?

Find the cost of 30 bars each way: 5 packs of 6 = $\$20$; 3 packs of 10 = $\$18$.
$\$18 < \$20$.
10 for $\$6$ is the better buy.

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