Later revisit · RR04-L1
Show your reasoning and keep quantity labels attached to the numbers.
RR04-L1 · later revisit
At constant rates press A makes 40 tiles in 8 minutes; press B makes 36 tiles in 6 minutes. Which makes more tiles per minute? Give both rates and justify the choice.
Later revisit · RR04-L2
Show your reasoning and keep quantity labels attached to the numbers.
RR04-L2 · later revisit
Two stalls sell identical clips with no fees. Stall A charges 16 dollars for 8 clips; stall B charges 14 dollars for 7 clips. Stall C charges 12 dollars but gives no clip count. Compare A and B in dollars per clip. Can C be ranked on unit cost? Explain.