Respuesta :
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a) Box of 10:
up = m ÷ ti
= $4.76 ÷ 10 Cookies
= $0.476 ~ $0.48
Box of 25:
up = m ÷ ti
= $10 ÷ 25 Cookies
= $0.4
b) Box of 10 - Box of 25
= $0.48 - $0.4
= $0.08
THE BOX OF 25 COOKIES IS CHEAPER BY $0.08 PER COOKIE.
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