Shalika bought a purse for $120. The tax rate is 9%.

Which proportion can be used to find the amount of tax Shalika will pay?

a.9/120=x/100
b.120/x=100/9
c.x/120=100/9
d.120/9=100/x

Question

Shalika bought a purse for $120. The tax rate is 9%. 

Which proportion can be used to find the amount of tax Shalika will pay?

a.9/120=x/100
b.120/x=100/9
c.x/120=100/9
d.120/9=100/x

anonymous · Answer

http://www.mathgoodies.com/lessons/percent/proportions.html see if you can get it from here. if not, i can help you from there

anonymous · Answer

@lordoftanks do you understand?

anonymous · Answer

i guess help would be better :)

anonymous · Answer

yes i do but this one is harder than the  questions i do

anonymous · Answer

It's x/120 = 100/9. You would then have to cross multiply (100x=1080) and divide each by  100 to get x=10.8, do you understand why?
x is how much tax she would have to pay

anonymous · Answer

yes

anonymous · Answer

so x/12=100/9 is the answer?

anonymous · Answer

yes