36 donuts (2 1/2 dozen) = $8.00
So, you divide 8 by 36 and you get about 22¢ for each donut. Then, you do .22 x 12 which equals $2.64.
One dozen donuts = $2.64
Answer:
Julia has enough gas to mow the two yards.
Step-by-step explanation:
Given:
Julia needs
gallon of gas to mow first yard.
Julia needs
gallon of gas to mow second yard.
Julia has a total of
gallon of gas in in her can.
To find whether she has enough to mow both yards.
Solution:
Total gallons of gas needed to mow two yards can be found out by :
⇒ 
Taking LCD =80.
⇒ 
⇒ 
Adding the numerators.
⇒ 
⇒ 1.2125 gallons
Julia has
gallon = 1.5 gallons of gas in in her can.
Since
, thus we can say that Julia has enough gas to mow the two yards.
This graph the answer to your problem.
I think that 30 bulbs are expected to be defective.