The O'Donnell family baked cookies for the PTO bake sale. They made 9 dozen sugar cookies and 12 dozen chocolate chip cookies. Compare the number f dozens of chocolate chip cookies with the number ofdozens of sugar cookies using a ratio.
To compare the number of dozens of chocolate chip cookies with the number of dozens of sugar cookies using a ratio, we can express the ratio as follows:
Number of dozens of chocolate chip cookies : Number of dozens of sugar cookies
In this case, the number of dozens of chocolate chip cookies is 12 dozen, and the number of dozens of sugar cookies is 9 dozen.
So, the ratio of the number of dozens of chocolate chip cookies to the number of dozens of sugar cookies is:
12/9
Simplifying this ratio, we get:
4/3
Therefore, the number of dozens of chocolate chip cookies is 4/3 times the number of dozens of sugar cookies.