Area of a circle is pi x radius^2
Area = pi x 22 ^2
Area = pi x 484
Area = 1,519.8 mm^2
Number of boxes = 11
1 box = 6 bags
11 boxes = 6 x 11
11 boxes = 66 bags
1 bag = 45 marbles
66 bags = 45 x 66
66 bags = 2970 marbles
Answer: The shop ordered 2970 marbles.
Based on the information given the percent of the total cost of the bike has Wu saved is 30%.
Using this formula
Total cost percentage=Amount saved/Cost×100
Where:
Amount saved=$75
Cost =$250
Let plug in the formula
Total cost percentage=$75/$250×100
Total cost percentage=30%
Inconclusion the percent of the total cost of the bike has Wu saved is 30%.
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