When amy exercise in her fitness certer for 1 hour she burns a total of 475 calories. If she burns 9 calories a minute jogging on the treadmilll and then burns 6.5 calories a minute pedalling on the stationary bicycle, how many minutes of the hour does she spend exercising on the bicycle?

Lani spent 15% of her 8-hour workday in meetings. How many minutes of her workday did she spend in meetings?

The number of calories burned while jogging varies directly with the number of minutes spent jogging. If George burns 180 calories by jogginh for 25 minutes, how many calories does he burn by jogging for 40 minutes?

Sobi types 108 words in 6 minutes. How many words would she type in half an hour?

Mrs. Veena Gupta goes for marketing between 5 P.M. and 6 P.M. When she comes back, she finds that the hour hand and the minute hand have interchanged their positions. For how much time was she out of her house ?

Ten 25- year - old men were asked how many hours per week they exercise and their resting heart rate was taken in beats per minute (BPM). The results are shown as points in the scatterplot below, and the line of best fit is drawn. How many of hte men have a resting heart rate that differs by more than 5 BPM from the resting heart rate predicted by the line of best fit?

Mikala exercise in her gym by joggging on the treatmill at a average rate of 4 miles per hour and then pedaling on a stationary bicycle at an average rate of 8 miles per hour. In her workout , she jogs the equivalent of x miles and bicycles the equivalent of y miles. If MIkala works out for at least 45 minutes, which of the following is true?

Annika hiles at a constant rate of 12 minutes per kilometer. She has hiked 2.75 kilometers east from the start of hiking trail when she realizes that she has to be back at the start of the trail in 45 minutes. If annika continues east, then turns around and retraces her path to reach the start of the trail in exactly 45 minutes, for how many kilometers total did she hike east?

Formulate the following problems as a pair of equations, and hence find their solutions: (i) Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current. (ii) 2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone. (iii) Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.

Formulate the following problems as a pair of equations, and hence find their solutions: (i) Ritu can row downstream 20 km in 2 hours, and upstream 4 km in 2 hours. Find her speed of rowing in still water and the speed of the current. (ii) 2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 woman alone to finish the work, and also that taken by 1 man alone. (iii) Roohi travels 300 km to her home partly by train and partly by bus. She takes 4 hours if she travels 60 km by train and the remaining by bus. If she travels 100 km by train and the remaining by bus, she takes 10 minutes longer. Find the speed of the train and the bus separately.

The amount of time tha Amy walks is directly proportional to the distance that she walks. If she walks a distance of 2.5 miles in 50 minutes, how many miles will she walk in 2 hours?