Question

a plus b times s divide by e

Answer 1

the answer is 8.2
A is the first letter of the alphabet so    
B is the second number                                         1 + 2 x 18 ÷ 5 = 8.2
S is the 18th letter
E is the 5th letter so...                                            1+2=3 x 18 = 36 ÷ 5 = 8.2

Answer 2

1+2=3 x 18 = 36 ÷ 5 = 8.2 would be the correct answer to this problem