Answer:
Sara has twice the number of cookies than her sister. Lily has 125 cookies. If both the girls have 400 cookies in total what is the value of x ?
Step-by-step explanation:
Can i have a diagram please
1 is 12
2 is 1/2 and 3/4
3 is 802,083
4 is 96
5 is 23
6 is 2/3
"inversely proportional," please.
z = k/x
When x is 3, z = 6; find k: 6 = k/3, or k = 18.
Then z = 18/x. When x = 12, z = 18/12 = 2/3 (answer)