The unit rate for the 1st one is: $0.19 / ounce
The unit rate for the 2nd one is: $0.16 / ounce
The 36 ounce box would be the better buy because it is less per ounce than the 24 ounce box
The answer is :
4b+7
hope this helps!!
Answer:
exact form: 9988/23
decimal form: 434.26
mixed number form: 434 6/23
Step-by-step explanation:
Just invert it like:

There you have your common denominator! Don't forget to multiply the numerator as well.