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natulia [17]
3 years ago
5

You bought books from an online book store that charges a flat fee for shipping each order. There was no sales tax on this purch

ase. The graph shows the cost of purchasing x books. About how much did the books cost if the total purchase was $31.50?
A graph is shown in the xy-plane. The values on the x-axis ranges from 0 to 4 in increments of 1 and the values on the y-axis ranges from 0 to 30 in increments of 5. A line starts from a point around 3 decimal point 7 5 on the y-axis, goes up and passes through the point (2, 17 decimal point 5).

A.

$3.50
B.

$7.00
C.

$28.00
Mathematics
1 answer:
Alla [95]3 years ago
7 0

Answer:

$28.00

Step-by-step explanation:

The y-intercept of the graph corresponds to the flat fee for shipping.  In this case, $3.50.

You paid a total of $31.50 for both the books and the shipping.  The cost of the books is therefore $31.50 − $3.50 = $28.00.

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