Plz
8 pamela is shopping for bottled water at the supermarket. which is the best buy?
a 1 2-liter bottle for $0.89
b 3 1-liter bottles for $1.50
c 24 0.5-liter bottles for $5.25
d 36 0.25-liter bottles for $4.75
9 stuart is buying a pair of jeans that regularly cost
$40. they are on sale for 20% off. if the tax rate
is 8%, what is the sale price of the jeans including
tax?
a $21.60
b $34.56
c $42.34
d $44.16
10 tamika works in a shoe store and is paid a 12%
commission on her sales. in january her sales total
was $3740. to the nearest dollar, how much did
tamika earn in commission for january?
a $312
b $449
c $3291
d $4189

8 Pamela is shopping for bottled water at the supermarket. Which is the best buy?
A 1 2-liter bottle for $0.89
 1 liter = .89 /2 = $0.445
B 3 1-liter bottles for $1.50
 1 liter = $1.50/3 = $0.50
C 24 0.5-liter bottles for $5.25
1 liter = 5.25 / 12  = $0.4375
D 36 0.25-liter bottles for $4.75
1 liter = $4.75 / 9  = $0.53

answer best buy is C 24 0.5-liter bottles for $5.25

9 Stuart is buying a pair of jeans that regularly cost
$40. They are on sale for 20% off. If the tax rate
is 8%, what is the sale price of the jeans including
tax?
$40 x 0.80 = $32
$32 x (1.08) = $34.56
answer is 

B $34.56

10 Tamika works in a shoe store and is paid a 12%
commission on her sales. In January her sales total
was $3740. To the nearest dollar, how much did
Tamika earn in commission for January?

$3740 x 0.12 = $448.80 = &449
answer is 

B $449

Move the decimal behind it