Rita needs to replace the ink cartridge for her printer. she found four brands that make replacement cartridges. the table below shows the prices and number of pages expected from each brand.
ink cartridges
brand
price
number of pages
a
$20.00
200
b
$25.00
125
c
$30.00
150
d
$35.00
250
which brand is the best buy?

Brand A

Step-by-step explanation: A

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.