Algebratown is 90km away from Numberville.

Doris drives from

Algebratown to Numberville

at 60 km/h, and then drives

back at 30km/h.

(a) Find the total time taken.

(b) Find her average speed.

Which detail from chancer's "the monk's tale" best demonstrates that fortune is a "blind property" that no one should trust? a. julius ceaser rose up because of wisdom, bravery, and intelligence b. king belshazzar became the ruler after his powerful father became king c. samsons enemies blinded him but he was able to destroy them before he died d. queen zenobia enjoyed vast power but her enemies conquered her in the end