The price of an item has been reduced by 20%. The original price was $90. What is the price of the item now?
2 answers:
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So, initially 240
-212 
were empty:
this is :
12/4 is 4 so that's why i substituted it with 4.
now, later 27 1/3 were used so we add this tho the original empty space
= 
= 
which is the result!
this is :
12/4 is 4 so that's why i substituted it with 4.
now, later 27 1/3 were used so we add this tho the original empty space
which is the result!