Three b got upset at me for not explaining the answer

Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park.then she walked the same distance home.how many miles did she walk in all?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax