Shown below is an image of multiple footwear items. How many complete pairs are there?
Shown below is an image of multiple footwear items. How many complete pairs are there?
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Approach Solution - 1
Step 2: Pair each left and right footwear item that matches in design. Count the pairs carefully to ensure no unmatched items.
Step 3: After counting the matching pairs, there are 11 complete pairs of footwear.
Approach Solution -2
The image shows a scattered pile of footwear: several pairs of flip-flops in different colors and patterns, a couple of buckled sandals, two sneakers, and a few clogs. To count complete pairs, it helps to sort the items by category first, since a "pair" only forms between two items of the same type, color, and pattern, one meant for the left foot and one for the right.
Group the items by pattern first: match striped flip-flops of the same color combination, polka dot flip-flops of the same color combination, and plain flip-flops of the same solid color.
Do the same for the buckled sandals, matching them by color and buckle style, and for the sneakers, matching them by their exact shoe design.
Set aside any single item that has no matching partner in color, pattern, and type; these are unpaired singles rather than pairs.
Going through every group this way and counting only the groups where both a left and a right item are present, the complete groups add up to 11 pairs.
So there are 11 complete pairs of footwear in the image.
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