Question

Two stores sell CDs in packages, as shown in the table below.


CD Prices at Store A
Number of CDs in Package
1
12
20
45
Cost
$0.70
$8.40
?
$31.50


CD Prices at Store B
Number of CDs in Package
1
20
30
65
Cost
$0.60
?
$18.00
$39.00

If the rate at each store is constant, which statement correctly compares the cost of a package containing 20 CDs?
a: The cost at Store A is $2.00 greater than at Store B.
b: The cost at Store B is $2.00 greater than at Store A.
c: The cost at Store A is $1.00 greater than at Store B.
d: The cost at Store B is $1.00 greater than at Store A.

Answer 1

Given :   Two stores sell CDs in packages

rate at each store is constant,

To Find : which statement correctly compares the cost of a package containing 20 CDs?

a: The cost at Store A is $2.00 greater than at Store B.

b: The cost at Store B is $2.00 greater than at Store A.

c: The cost at Store A is $1.00 greater than at Store B.

d: The cost at Store B is $1.00 greater than at Store A.

Step-by-step explanation:

CD Prices at Store A

Number of CDs in Package     Cost

1                                                  $0.70

12                                                $8.40

20                                               ?

45                                               $31.50

20 x 0.7 = 14.00 $

The cost at Store A  = 14.00 $

CD Prices at Store B

Number of CDs in Package     Cost

1                                                  $0.60

20                                              ?

30                                               $18.00  

65                                               $39.00

20 x 0.6 = 12$

The cost at Store B  = 12.00 $

14 = 12 + 2

The cost at Store A  is $2.00 greater than at Store B.

Correct option

Learn More:

which statement correctly compares the cost of a package containing 20 CDs

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Answer 2

Answer:

its A

Step-by-step explanation:

A: The cost at Store A is 2.00 greater than at Store B