Question

A florist 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?

Answer 1

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

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 =
`(90)/(2)=45`

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