Sally is going shopping with her friend Susan at the mall, which is located 10 kilometers away from her house. She drives halfway to the mall and then realizes that she forgot her purse at home. She immediately turns around, goes back home to get her purse, and then drives directly from her house to the mall. What is the total distance that Sally traveled?
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20 km , since half of 10 km is 5 ,since she one reached halfway before realizing that she forgot her purse . and the plus 5 km while reaching home back !
then plus 10 km to reach mall.
total is 20 km ..
then plus 10 km to reach mall.
total is 20 km ..
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