The cost of 10 oranges is $1.00. what is the cost of 5 dozen oranges?

12 x 5 = 60 so The cost of 60 oranges is $6.00.

They said 5 dozen. So 1 dozen is 12 12*5= 60 10 orange is $1 20 orange is $2 30 orange is $3 40 orange is $4 50 orange is $5 60 orange is $6 ( So the answer is $6) Hope it's help you easy way

(1/x + 1)^2 + 6 (1/x + 1) +5