2 3/20 ,2 9/20, 2 1/2,2 11/20,2 4/5
Answer:
Brainliest pls I never had brain before
Step-by-step explanation:
Rachel and her sister Fran together can paint the living room in
hours
Given that
Rachel can paint half of the living room in 1 hour
Fran can paint
th part of the living room in 1 hour
Let's assume together they paint the living room in x hours
⇒ together they can paint
th part of the living room in 1 hour
By proportions,
⇒
+
=
{using operation proportions and addition}
⇒
=
⇒x=
⇒ together they can paint
th part of the living room in 1 hour
It means, Rachel and her sister Fran together can paint the living room in
hours
Learn more about paint here:
brainly.com/question/15277377
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x^2-12x+(6)^2 is correct answer