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pychu [463]
3 years ago
5

Julia finds that she can mail a 10 pound package for $5.10 and a 15 pound package for $8.85.What is the constanrt of proportiona

lity?
Mathematics
1 answer:
choli [55]3 years ago
8 0

Answer:

0.75

Step-by-step explanation:

Using the equation

y=mx

where y is the cost, m is constant and x is variable representing packages

8.85=15x

5.1=10x

Subtracting equation 2 from 1 then

5x=3.75

x=3.75/5=0.75

x=0.75

The constant of proportionality is 0.75

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