7.RP.2.c
Represent proportional relationships by equations.
Example Problems
A typist can type 45 words per minute. How many words () can she type in 18 minutes at that rate?
The equation shows a proportional relationship between x and y.
What is the constant of proportionality in the equation ?
What is the constant of proportionality in the equation ?
The equation shows a proportional relationship between x and y.
What is the constant of proportionality in the equation ?
What is the constant of proportionality in the equation ?
Khan Academy ResourcesWriting proportionsSolving proportionsWriting proportional equationsWriting proportional equations from tablesEquation word problem: super yoga (2 of 2)Equation word problem: super yoga (1 of 2)Worked example: Solving proportionsWriting proportions exampleWriting proportional equations from tablesEquations for proportional relationships

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