A recipe says to use 3 cups of flour to make 48 cookies. How many cups of flour are needed for 72 cookies

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Sum of the interior angles of a pentagon

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