Answer:
-9
Step-by-step explanation:
9=b-2b
9=-b
divide both sides by -
b=-9
I think it’s the second one please correct me if I’m wrong not perfect at this
The percent increase in the iron was 50%. 1.2/2 = .6 1.2 + .6 = 1.8
If you calculated it you would get 20.25 so it is irrational
Dave pays $15 and tax is $1.2 so dave spent a total of $16.20.
Mel pays $20 and tax is $1.6 so Mel spent a total of $21.60.
All you need to do is convert the percent to a decimal, so take 8 and divide by 100 and you get 0.08. then you need to multiply the cost by the tax so 15*0.08=1.2 then you just add tax to original amount 15+1.2=16.2
:)
