What is 9

What is the value of x in the proportion of 2 and one-fourth over x = 1 and one-half over 3 and three-fifths?

2 and two-fifths
5 and two-fifths
8 and 1 over 10
12 and 3 over 20

Correct answer:

x =  5 25 = 27/5

Step-by-step explanation:

x241=353121  a=241=2+41=42 4+1=48+1=49=2.25 b=121=1+21=21 2+1=22+1=23=1.5 c=353=3+53=53 5+3=515+3=518=3.6  xa=cb  x=ba c=2349 518=527=552=5.4

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