SOLUTION: Could someone show me how to put these problems on paper not just the answers because unless I can see how it is written it doesn't help me.
The problem states,Solve for the unkno
Algebra.Com
Question 181312: Could someone show me how to put these problems on paper not just the answers because unless I can see how it is written it doesn't help me.
The problem states,Solve for the unknown (x) in the following proportions:
1) 2/10 = 16/x x =
2) 7/30 = x/90 x =
Someone on this site did tell me that I need to cross multiply but I don't know how to write that on my paper and how it is suppose to look. If you could help me because I have a test soon and would really appreciate the help.
Thank you in advance
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
If you have a proportion of the form:
Then you can cross-multiply, by multiplying the numerator on one side times the denominator on the other side and setting that equal to the numerator on the second side times the denominator on the first side, like this:
So for your first problem:
You should be able to take it from here.
John
RELATED QUESTIONS
Hi all, im still struggling to do these graph problems, could someone please show me how... (answered by Alan3354)
Hello, I'm trying to solve a math problem based on polynomials. My teacher recently had a (answered by josgarithmetic)
Using a calculator. TI-83Plus.
Okay i have had a brain lapse and this is a dumb... (answered by stanbon)
I have been trying to solve this. I am getting fustrated with this problem because I just (answered by Fombitz)
Question: An angle measures 15° more than twice its supplement. Find the measure of the... (answered by Earlsdon,vosotroslovely)
I am really having trouble understanding how to solve a system of equations by graphing.... (answered by mananth)
I have problems with Algebra and wanted to know if someoe could please help me with the... (answered by Edwin McCravy)
Im sorry if this is in the wrong place, knew it went in either Polynomials or quadratic.... (answered by stanbon)
Ok, My son came home from school today with Math homework. He is in Algebra 1 and they... (answered by Earlsdon,scott8148,samuenkadi)