Problem 6. "Four more laps", Prince Carl thought as he was rowing in his boat. He stroked the oars 50 times per minute. "There are 6 rowers to pass and it takes me 5 minutes to row each lap." How many more times will Prince Carl stroke the oars before the end of the race?

Step 1. What does the problem ask you to find?

A. Carl's speed

B. The number of minutes before the race is over

C. The number of laps in the whole race

D. The number of oar strokes until Prince Carl is finished

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Step 2. What information is needed to solve the problem?

A. Number of other rowers to pass.

B. The remaining number of laps.

C. The number of oar strokes per minute.

D. The number of minutes per lap.

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Step 3. Select the correct expression.

A. 5 x 50 x 5

B. 50 x 4 x 5

C. (6 - 4) x 50 ¸ 5

D. 5 x 4 x 50

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Step 4. Select the correct solution.

A. 1250

B. 2000

C. 200

D. 1000

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