For his exercise today, Chris plans to both run and swim. Let R be the number of laps he runs and let S be the number of laps he swims. Each lap he runs takes him 4 minutes, and each lap he swims takes him 3 minutes.

He wants to exercise for more than 40 minutes today. Using the values and variables given, write an inequality describing this.

Question

For his exercise today, Chris plans to both run and swim. Let R be the number of laps he runs and let S be the number of laps he swims. Each lap he runs takes him 4 minutes, and each lap he swims takes him 3 minutes.

He wants to exercise for more than 40 minutes today. Using the values and variables given, write an inequality describing this.

taramgrant0543664 · Answer

You could set up the equation like so:
4R+3S=40
You would know this because if each running lap is 4 mins then you could multiply the number of laps by 4 and same with the swimming laps but by 3 as it take him 3 mins for each lap. Together they would equal out to 40

anonymous · Answer

thank you