Grace buys a computer priced at \$255. If the sales tax is 9%, what will be the total cost including tax?

解

G r a ce b u ys a co m p u t er p r i ce d a t $255. I f t h e s a l es t a x i s 9%, w ha t w i ll b e t h e t o t a l cos t in c l u d in g t a x ?

Amount after tax : 277.95

解答ステップ

Translate the problem into an equation:

x = 255 + 0.09 \cdot 255

x = 255 + 0.09 \cdot 255 : x = 277.95

Amount after tax : 277.95