This is the concept of algebra, the denominator of y+(y-3)/3 will be as follows; the expression y+(y-3)/3 can be written as: y/1+(y-3)/3 the denominator of the first term is 1 and that of the second denominator is 3, to get the common denominator for both terms we multiply both denominators; thus the common denominator will be: 3*1=3 thus the our common denominator will be 3:
Answer: B. Emma sold all the parasols in the store for $84. She brought new parasols from the stockroom and decided to increase the price of a parasol to $13.
