To find 40% of 75, Priya calculates [math]\frac{2}{5}\cdot75[/math]. Does her calculation give the correct value for 40% of 75? Explain or show how you know.
If [math]x[/math] represents a number, does [math]\frac{2}{5}\cdot x[/math] always represent 40% of that number? Explain your reasoning.[br]
Priya practiced the violin for 152% as much time as Han practiced the piano. How long did she practice?
Tyler practiced the clarinet for 64% as much time as Han practiced the piano. How long did he practice?[br]
Last Sunday 1,575 people visited the amusement park. 56% of the visitors were adults, 16% were teenagers, and 28% were children ages 12 and under. Find the number of adults, teenagers, and children that visited [br]the park.
Order from greatest to least:[br][list][*]55% of 180[/*][*]300% of 26[/*][*]12% of 700[/*][/list]
A shopper needs 24 sandwich rolls. The store sells identical rolls in 2 differently sized packages. They sell a six-pack for $5.28 and a four-pack for $3.40. Should the shopper buy 4 six-packs or 6 four-packs? Explain your reasoning.
How many chaperones are there?
How many children are there?[br]