It takes 3.5 minutes to upload 12 photographs from a smart phone to a computer and then an additional 1.25 minutes to upload the
photographs to a website. At this rate, about how long will it take to upload 20 photographs from a smart phone to a computer and then to a website? A. about 7.2 minutes
B. about 5.8 minutes
C. about 2.1 minutes
D. about 7.9 minutes
5(20) + 4y = 216 100 + 4y = 216 4y = 216 - 100 4y = 116 y = 116/4 y = 29.....so they sold 29 four-dollar yogurts + 20 five-dollar yogurts....for a total of 49 yogurts sold <==
