Algebra Puzzle

Solution:

Let 1 apple=a

Let 1 clock=b

Let 1 banjo=c

3a+c=98

3c+a=64

a+b+c=61

2a+b+c=86

86-61= 25

a=25

2a+b=73

73-50=b

23=b

a+3c= 64

64-25=3c

3c=39

c=13