The water company installed a 40-yard diagonal brace on a water tower between two vertical beams that are 12 yards apart as shown. How many total yards of material are needed to construct the brace and beams?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?