It takes Irene twice as long to plant 360 tulips as it takes Masha. If two of them working together can plant the tulips in 6 hours, how long will it take each of them to do the job alone?

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds