IXL | Find a value using two-variable equations: word problems

This equation shows how the total cost of visiting the science museum as a member is related to the number of visits.

c = 19v

The variable v represents the number of visits to the science museum, and the variable c represents the total cost of those visits. For a member of the science museum, what is the total cost of 1 visit?

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question

This equation shows how the number of flowers Zachary can have in his garden is related to the number of seed packets he purchases.

f = s + 12

The variable s represents the number of seed packets he purchases, and the variable f represents the total number of flowers in the garden. With 3 seed packets, how many total flowers can Zachary have in his garden?

flowers

solution

Zachary purchases 3 seed packets. Plug in s = 3.

s + 12

Plug in s = 3

3 + 12

Plug in s = 3

Add

With 3 seed packets, Zachary can have 15 flowers in his garden.

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Lesson: Evaluating expressions

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CC.5Find a value using two-variable equations

Lesson: Evaluating expressions

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