Product of the fractions

By how much is the product of 2½ and 3⅘ less than 20?

Correct answer:

x =  10 12 = 21/2

Step-by-step explanation:

a=221=2+21=22 2+1=24+1=25=221=2.5 b=354=3+54=53 5+4=515+4=519=354=3.8 c=20  p=a b=25 519=2 55 19=1095=219=921=9.5  x=cp=20219=220 2219=240219=24019=221=1021=10.5



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