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tatuchka [14]
3 years ago
5

Three friends bought 4, 6, and 8 books. The table shows the cost of the books.

Mathematics
2 answers:
Evgen [1.6K]3 years ago
7 0

Answer:

2

Step-by-step explanation:

it is 2 because 1.) its counting by 2s 2.) As you count by 2s the cost increases by 5

zhannawk [14.2K]3 years ago
4 0

Answer:

The constant of proportionality is 7.5

Step-by-step explanation:

because if you divide 30 divided by 4 its 7.5, also with all the other numbers.


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