ATOT i need some help studying for my math test.

[platinumike]

I forgot how to do theese questions. I got plenty more, if yall dont mind, but heres the one i need help with the most:

How many gallons each of 25% alcohol and 35% alcohol should be mixed to get a 20 gallon of 32% alcohol.

and heres another---

Pure acid is to be added to a 10% acid solution to obtain 54liters of a 20% acid solution what ammounts of each should be used?

i just need to know the easiest process to go about doing them. Thanks.

 

Crack open your math book. The answers are in there, I guarantee it.

 

[SVT Cobra]

umm these are basic algrebra 1 mixture problems....look in you math book...

 

[amol]

i usually make tables

what math class are you in? i remember seeing these in middle school (7th or 8th grade)

 

[Toastedlightly]

don't you make one variable = x, and the other some amount of x, and then solve an equation for it?

 

[platinumike]

Originally posted by: Toastedlightly
don't you make one variable = x, and the other some amount of x, and then solve an equation for it?

thanks, that sounds familiar