Alison knits 1/10 of scarf in 4/5 of an hour. what fraction of a scarf can alison knit in 1 hour? and how do u solve it?

For this case we can make the following rule of three:
 1/10 scarf > 4/5 hour
 x > 1 hour
 Clearing the value of x we have:
 x = (1 / (4/5)) * (1/10)
 Rewriting we have:
 x = (5/4) * (1/10)
 x = 5/40
 x = 1/8
 
 A fraction of a scarf that alison can knit in 1 hour is:
 x = 1/8

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Step-by-step explanation: