4r + 3s >= 30
(the >= means "greater than or equal to" because 30 minutes is the minimum time)
For his exercise today, Josh 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 at least
30
minutes today. Using the values and variables given, write an inequality describing this.
4 answers
4r + 3s >= 30
45
4r+3s>30
1 answer