Answer:
22.5
Step-by-step explanation:
You can just take 450 calories divided by 20 ounces. 450 divided by 20 is 22.5, so that is the answer.
He spent exactly 20.25, so it's A.
645/560=1.151785714
Ther perccent error in her estimate is 15%
Answer:
Step-by-step explanation:
what is the problems ?