1kafran1

16.04.2021 • 

Mathematics

please answer in the image below? [the question:] Melanie buys 2 shells for $0.80. Rosi buys 3 shells for $1.20. Carlos buys 4 shells for $1.60. Use the graph to determine whether there is a proportional relationship between the number of shells and their cost. If so, what does the constant of proportionality mean in this situation? Use the drop-down menus to show and explain your answer.

Ответ:

sherifour

09.06.2020

Mathematics

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5 folders - $2 each = 10 $
3 note books - $3 each = 9 $
17 book covers minus 12 = 5
5 book covers - $1 each = 5$

10 + 9+5 = 24$

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