Question

if a equals 10 , b equals 5 , c equals 2 , d equals 1 ------------------------------- and a + a +a = 30 and a + b +b = 20 and b + c +c = 9, what does b +d x a =

Answer 1

Answer:

15

Step-by-step explanation:

b+d x a = 5 + 1 x 10

            =5 + 10

             =15