A 8-acre piece of land is subdivided into 4/7-acre lots. How many lots are there?

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?

What is the answer to this question?

After making a deposit puja had $264 in her savings account she noticed that if she added $26 to the amount originally in the account and double the sum she would get the new amount