SOLUTION: Aki bought four and two fifths of spinach for 8.36$. Using unit rate how would 1 and three tenths pounds of spinach cost. PLz explain i dont get it at all

Question 1004736: Aki bought four and two fifths of spinach for 8.36$. Using unit rate how would 1 and three tenths pounds of spinach cost. PLz explain i dont get it at all

Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
aki bought 4 and 2/5 pounds of spinach for $8.36
we want to find out how much 3/10ths of a pound costs.
since this is a fraction problem i will keep them in fractions not decimals
to turn 4 pounds into its respective fraction you should know that
so

so = 4 and 2/5ths a pound of spinach of 8.36
but we need tenths not 5ths
to get tenths from a 5th u need to multiply by a 1 that will change the look of the fraction but not the actual number as you know 1 times anything is itself.
so 5 times 2 = 10, and the 1 we will use is

easiest way to find out how much 3 /10 is ,is to find out how much 1/10 is and then multiply it by 3.
to find 1/10 you will need to multiply each side of the = sign by {{1/44}} this is the same as dividing by 44 only its easier to see visually in multiplication.

the 44s cancel out leaving

now multiply 19 cents by 3

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