Answer:
k=1
Step-by-step explanation:
-2k+10=64k-56
66=66k
k=1
Answer:327
Step-by-step explanation:
20 pounds is 320 ounces and the lunch box plus that is 327 ounces
First Divide: 21.75/ 30
You will get 0.725
Then, multiply 0.725 by 100%
Then your answer should be: 72.5%