Valerie already owns 2 hair bands, and additional hair bands are priced at 2 for a dollar. How much money does Valerie need to spend on new hair bands in order to own a total of 10 hair bands? Write and solve an equation to find the answer.

Question

anonymous · Answer

What Rule do we use here?  Conversions!

anonymous · Answer

Use a linear function method way to figure it out,, ex. y+7=1/3(x+9)

anonymous · Answer

I do not get how to rearrange them though to figure it out!

anonymous · Answer

attachment

anonymous · Answer

Cancel out the "hairband" unit in the numerator and denominator

anonymous · Answer

So the only unit you are left with is $

anonymous · Answer

Then just multiply and divide!

anonymous · Answer

KK thnx!

anonymous · Answer

yw