4. jake cleans his house 3 times in 7 weeks.
how many times will he clean his house
in 52 weeks?
equation:
unit rate:
solution:

About 22 times

Step-by-step explanation:

Unit Rate means the number of times Jake cleans his house PER WEEK.

Since he clean his house only 3 times per 7 weeks, we will have a number less than 1 (per week). To get unit rate, we divide the number of times (3) with the number of weeks (7). Thus:

Unit Rate = times in 1 week

Now, we can set up a ratio (2 fractions), equate them and solve for the unknown [let times he clean his house in 52 weeks be x]. Shown below:

To solve this, we cross multiply and use basic algebra and solve for x:

That's 22.29 times in 52 weeks (let's round and say 22 times).

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