1.7 (2 a) = 1.53

1.7 2 a = 1.53

3.4 * a = 1.53

a = 1.53 / 3.4

a ≈ 0.45

Now we can find the value of c using the second equation:

1.5 * c = 1.53

c = 1.53 / 1.5

c ≈ 1.02

Therefore, the values of a and c are approximately 0.45 and 1.02, respectively.