Fraction of shampoo left = 
Solution:
Given fraction of full shampoo
.
Fraction of shampoo Margaret used 
Fraction of shampoo left = Full shampoo – fraction of shampoo used

To make the denominators same do cross multiplication.
Hence
of the shampoo bottle is left.
Answer: the first one it's no solution
The second one its. One so solution
The third one it's no solution
The four one its two solution
And the last one it's no solution
Step-by-step explanation:
I hope its help .I dont know is it correct or not .
Answer:
No you can't.
Step-by-step explanation:
4 is an integer, and 2x isn't so you can't add them together. If 4 was 4x or 2x was 2, then you'd get 6, but you can't add them. Hope this helps :)
Answer:
n=643-12t
i had this question on an exam and got it right