Assessment For The California Mathematics Standards Booklet - Grade 7 Page 14
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37Assessment For The California Mathematics Standards
Grade 7
a. The graph below shows the relationship of the cost price of items in a
AF 1.5
AF 1.5
AF 1.5
AF 1.5
AF 1.5
catalogue to the customer price, including a standard mailing charge of $5
y
$35
$30
Customer $25
price
$20
$15
$10
$5
x
0
$5
$10 $15 $20 $25
Cost price
1. If the cost price is $10, how much is the customer price?
2. Why does the graph touch the y axis at the point for $5?
3. If the customer pays $15, what is the cost of the article bought?
13.
Los Angeles County Office of Education: Mathematics
National Center to Improve the Tools of Education
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