IXL | Find a value using proportional equations: word problems

This equation shows how the distance William has cycled depends on the number of trips he has taken to work.

d = 16t

The variable t represents the number of trips he has made, and the variable d represents the total distance cycled in kilometers. After 1 trip to work, how many kilometers will William have cycled in total?

kilometers

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Learn with an example

question

This equation shows how the length of Amelia's essay depends on the number of hours she spends writing this week.

p = 2h

The variable h represents the number of hours she spends writing this week, and the variable p represents the total number of pages that have been written. After spending 9 hours writing this week, how many pages will Amelia have written in total?

pages

solution

Amelia has spent 9 hours writing. Plug in h = 9.

Plug in h = 9

2 × 9

Plug in h = 9

Multiply

After spending 9 hours writing this week, Amelia will have written a total of 18 pages.

Looking for more? Try these:

Lesson: Evaluating expressions

Lesson: Solving equations

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Work it out

Not feeling ready yet? These can help:

AA.9Solve one-step multiplication and division equations with whole numbers

R.4Evaluate linear expressions

Lesson: Evaluating expressions

Lesson: Solving equations

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