QR.RP.6

Determine the constant of proportionality in proportional situations (both real-life and mathematical), leading to a symbolic model for the situation (i.e. an equation based upon a rate of change, y = kx).

Example Problems
Julio pays $18 for pounds of coffee.

What is the cost per pound of coffee?
Nancy buys pound of grapes for $1.40.

What is the cost of grapes per pound?
A hiker climbs in .
How many meters does the hiker climb per hour?
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