Answer to Question #188771 in Statistics and Probability for nonkululeko

Question

The cost of renting a consulting room for 4 hours is R96.80. The costing of renting a room is proportional to the number of rental hours. Which of the following is not an equivalent rate to 4 hours for R96.80?

1. 6 hours for R145.80

2. 3 hours for R72.60

3. 7 hours for R169.40

4. 5 hours for R121.00

Answer 1

4:96.80 = 1:24.2

1. 6:145.80 = 1:24.3

2. 3:72.60 = 1:24.2

3. 7:169.40 = 1:24.2

4. 5:121.00 = 1:24.2

So, 6 hours for R145.80 s not an equivalent rate to 4 hours for R96.80?