Harriet wants to buy items with 248.50 she is using a store coupon for 25% off her purchases she has to pay 5% sales tax calculate the total cost of the item

Starting price is : $248.50Price with 25% off :$248.50 x ( 1 - 0.25 ) = $248.50 x 0.75 = $186.375After that she has to pay 5 % sales tax:$186.375  x 1.05 = $195.70 $195.70

No a triangle cannot be formed because when you add the two smallest number together (which would be 11) the have to be bigger than the number it is "against" ( which would be 12)