Rational 3667/1000
^^^^^^^^^^^
Answer: 8.51
Step-by-step explanation:
Answer:
-5/3
Step-by-step explanation:
The final price is the cost plus the tax.
Since we know the tax and a percent, we can write this as
T = C(1+r)
T = what Graham paid = $87.45
C = cost before tax
r = tax rate expressed as a decimal = .40
Plugging in what we know
87.45 = C (1+.4)
87.45 = C(1.4)
Divide both sides by 1.4
C = $62.46
Answer:
4 packs of invitations and 2 packs of napkins.
Step-by-step explanation: