Difference 7641

To get their sum, what number do you have to multiply the difference between 3 1/2 and 2 3/4?

Correct answer:

x =  8 13 = 25/3

Step-by-step explanation:

a=321=3+21=23 2+1=26+1=27=321=3.5 b=243=2+43=42 4+3=48+3=411=243=2.75  s=a+b=27+411=414+411=414+11=425=641=6.25 r=ab=27411=414411=41411=43=0.75  x (a  b) = a+b  x   r=s  x=s/r=425/43=425:43=425 34=4 325 4=12100=325=831=8.3333

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