a tap (A) fills a tank in 5 hours, atap (B) fills the same tank in 10 hours. Which of the alternatives below best represents thetime spent, if both taps are open simultaneously filling the same tank?

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain