What best describes Layla’s error

On their way home from school. terri and evie started walking out for two blocks and then running for three blocks and then repeating that pattern. if they can walk a block in 2 minutes and run a block and 45 seconds how long will it take them to go 18 blocks?

Which of the following is the result of expanding the series

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²