Students are knitting scarves for a fund-raiser. Elaine
can knit 4 scarves in 20 days. Mario can knit 2 more
scarves than Elaine can in 40 days. What is the
difference in the time it takes each of them to
knit a scarf? Explain your answers.

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?