I think its 14 because in order to get to 28 but 2 you count 14 times saying 2×14
B is the answer since dimes are worth 10 cents
3 sodas cost $2.97 +.15 tax total $3.12
The answer is 140
140 x 0.1 (10% as a decimal) = 14
Answer: The answer I got was
x=8±√57