NY-7.RP.2.c
Represent a proportional relationship using an equation.
Example Problems
At a store, 3 notebooks cost $5.25.
At the same rate, how much will 11 notebooks cost?
At the same rate, how much will 11 notebooks cost?
In a field, 20 sprinklers can water 5 acres of land.
At the same rate, how many acres can 8 sprinklers water?
At the same rate, how many acres can 8 sprinklers water?
In a school band, the ratio of flutes to clarinets is 5 to 8.
If there are 20 flutes, how many clarinets are there?
If there are 20 flutes, how many clarinets are there?
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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