(a)   x 5 = 5

5 x (a)   = 20

5 x (a)   = 15

(a)   x 5 = 35

5 x (a)   = 30

5 x (a)   = 50

(a)   x 5 = 10

5 x (a)   = 45

5 x (a)   = 5

(a)   x 5 = 50

5 x (a)   = 40

(a)   x 5 = 15

(a)   x 5 = 25

(a)   x 5 = 20

(a)   x 5 = 40

5 x (a)   = 25

5 x (a)   = 35

(a)   x 5 = 30

(a)   x 5 = 45