puppylover72
13.02.2020 •
Mathematics
A store charges 7% sales tax. Which expresan be used to find the total cost of an item with a price of p
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Ответ:
final sale price = $1.07p
Step-by-step explanation:
list price of item = $p
sales tax rate = 7% = 0.07
sales tax = 7% of $p
= 7% x $p
= 0.07 x $p
= $0.07p
final sale price = list price + sales tax
= p + 0.07p
= p(1 + 0.07)
= 1.07p
Ответ:
a=-1/2b+1/6w+2/3
Step-by-step explanation:
w = 3(2a+b)-4
Make a the subject or isolate a.
Expand the brackets first.
w = 6a+3b-4
Add -3b and 4 on both sides of the equation.
w-3b+4=6a
Divide both sides with 6.
a=(w-3b+4)/6
a=-1/2b+1/6w+2/3