The average 10

The average of three fractions is 2 3/8. If two of the fractions are 2 1/5 and 1 2/3, what is the total value of the three fractions?

Correct answer:

c =  3 31120 = 391/120

Step-by-step explanation:

a=251=2+51=52 5+1=510+1=511=251=2.2 b=132=1+32=31 3+2=33+2=35=1321.6667  μ=283=2+83=82 8+3=816+3=819=283=2.375  μ = 3a+b+c 3μ = a+b+c = s  s=3 μ=3 819=83 19=857=7.125  c=sab=85751135=120855120264120200=120855264200=120391=312031=3.2583



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