Math Problem Statement
The basketball gym at Dean's school was built in the 1940s and needs a lot of repairs. So, the school is asking families for donations to build a new gym. Dean convinced some local businesses to match a fraction of the families' donations.
There is a proportional relationship between the amount of money a family donates (in dollars),
x,
and the matching contribution (in dollars) from local businesses,
y.
x (dollars donated)
y (dollars matched)
$28
$7
$36
$9
$76
$19
$84
$21
What is the constant of proportionality? Write your answer as a whole number or decimal.
dollars matched per dollar donated
Solution
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Math Problem Analysis
Mathematical Concepts
Proportional Relationships
Ratios
Formulas
y/x = constant of proportionality
Theorems
Constant of Proportionality Theorem
Suitable Grade Level
Grades 6-8
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