Twitter Problem 9-28-14
(twitter.com/dmarain)
Trip to work took 90 min including stopping b/c of accident for x min. Avg'd 30 mph overall; apart from delay, avg'd 50 mph. x=?
Answer: 36 min
Solution??
REFLECTIONS
Do rate-time-distance problems still appear on SAT and other standardized tests? Yes!
Do our students get enough practice with these? In Prealgebra? Algebra 1?
Do you view these as applied problems?
3 days left for half-price subscription for detailed solutions to all Twitter problems. See right sidebar...
Posts
No comments:
Post a Comment