This is a very similar question that will help you:
https://www.algebra.com/algebra/homework/Percentage-and-ratio-word-problems/Percentage-and-ratio-word-problems.faq.question.765300.html
Check this out:
http://file:///C:/Users/Calli/Downloads/math-g6-m5-topic-b-lesson-10-teacher.pdf
This is going to help you:
https://www.varsitytutors.com/hotmath/hotmath_help/topics/exponential-growth
x=length
y=width
2x+2y=28
x=y+10
Elimination method
2x-2y=20
4y=8
y=2
Length: 12cm, Width: 2cm
How much water can a paper cup hold? We need this information.
This has an extremely similar question that will help you solve this:
https://www.algebra.com/algebra/homework/word/mixtures/Mixture_Word_Problems.faq.question.906125.html
Check this:
https://web2.0calc.com/questions/help-pleeeease-due-tomorrow
https://web2.0calc.com/questions/help-exponential-functions
26-2(8)=10
10/2=5
The length is 5 inches.
https://www.algebra.com/algebra/homework/Permutations/Permutations.faq.question.1114134.html
