Question

Given the literal equation ab/a+b=c with b = –1 + a, what is the value of c if a = 5?

a. 20/9
b. 25/9
c. 4
d. 11

Answer 1

a

Answer 2

.b = -1 + a
a = 5

b = -1 + 5
b = 4

ab / (a + b) = c
(5)(4) / (5 + 4) = c
20/9 = c

answer is A....

Answer 3

Thank You !