Answer:
B 9%
Step-by-step explanation:
two boxes bought separately cost 2($30.00) = $60.00
one spends $60.00 - $54.60 = $5.40 less by buying the twofer deal
$5.40 / $60.00 = 0.09 = 9% discount
18%
answer
x 0 , VCB ln(1 4x2 ) tương đương với
I solved it for you. hopefully this helps
x= 1
y= 2
(1,2)
x=2
y=3
(2,3)
x=3
y=4
(3,4)
