Answer:

Step-by-step explanation:
Given



Required
Determine the percentage of protein
First, we need to calculate the total:



Percentage of protein is calculated as thus:




since 3/4 or 75% ARE black, 1/4 will not be black. 1/4=.25 which is 25%.
Answer:
I can't help you, it doesn't indicate what you need
Answer:
Cathy was right ( kinda)
Step-by-step explanation:
let the dimension of the small one be 2a : 2b : 2c
then the dimension of the big one be 3a : 3b : 3c
volume of small: 2a*2b*2c = 8 abc
volume of big: 3a*3b*3c = 27 abc
volume ratio: big/ small = 27/8 = 3.375
-> big one hold 237.5% more than small
-> Cathy was right ( kinda)
Answer:
a) 64 = y + 33
b) y = 31
Step-by-step explanation:
follow the word problem and solve when needed