How do you solve #3/0.72=12/b?
1 Answer
Aug 10, 2018
Explanation:
"one way is to "color(blue)"cross-multiply"one way is to cross-multiply
•color(white)(x)a/b=c/drArrad=bc∙xab=cd⇒ad=bc
"then"then
3b=12xx0.723b=12×0.72
"divide both sides by 3"divide both sides by 3
b=(cancel(12)^4xx0.72)/cancel(3)^1=4xx0.72=2.88
b=2.88" is the solution"
