2r-20 is the answer combining the like terms and solving.
6.45 written as a fraction is 645/100.
645/100 can also be written as 6 45/100
*proof*
100x6=600
600+45=645
So, therefore
6.45 as a mixed number is 6 45/100.
Hope this helps!
What are the following statements? Add it in the comments and i’ll try to answer them.
You cannot solve this. TO solve both variables you need to have two equations. Please insert that equation in and I will solve this problem. :)