If you wake up at 7:00 a. m. and it takes you 1 hour and 35 minutes to get ready and walk to school, at what time will you get to school?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics