Compare unit rates — follow-up check
Show your reasoning and keep quantity labels attached to the numbers.
Follow-up check task 1
For identical folders with no fees, stall A charges 28 dollars for 7 folders; stall B charges 25 dollars for 5 folders. Which has the lower dollars per folder? Explain why comparing total prices could mislead.
Compare unit rates — follow-up check
Show your reasoning and keep quantity labels attached to the numbers.
Follow-up check task 2
At constant speeds robot A travels 18 meters in 3 seconds; robot B travels 30 meters in 5 seconds. Robot C travels 42 meters with no elapsed time supplied. Compare A and B in meters per second. Can C be ranked? Explain.