Question

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The table shows the ratio between the number of books ordered and their cost:
Number of Books

Cost (dollars)

7

21

8

24

9

27
Find equivalent ratios when the number of books ordered is 1, 2, and 3. Write them as ordered pairs in the form (x-coordinate, y-coordinate). Starting from the origin, explain how to plot the three equivalent ratios on a coordinate grid. (10 points)

Answer 1

1,3 is the answer to the question

Answer 2

1,3

2,6

3,9

Explanation:

if the number of book is 7 the cost of book is 21 right and number of book is 8 the cost of book is 24 so difference between 7 and 8 is 1 and difference between 21 and 24 is plus 3 so by multiply the number of book 1 with 3.Thus, 1 book cost 3 dollars