Aflorist buys flowers at $3 a dozen and sells them at $5 a dozen. how many dozen must be sold to make a profit of $90?

45 dozen must be sold to make a profit of $90

Step-by-step explanation:

Cost price of 1 dozen of flowers = $3

Selling price  of 1 dozen of flowers = $5

Profit = SP - CP

Profit = $5-$3

Profit = $2

So, Profit per dozen = $90

No. of dozen must be sold to make a profit of $90 =

Hence 45 dozen must be sold to make a profit of $90

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.