machines will be required to manufacture the same number of articles in 100 days?
6. A school has 8 periods a day of 45 minutes each. If the school decides to have 9 periods a day without
increasing the number of school hours, how long would each period be?
7. A person drives a car with a speed of 60 km/hr and reaches his destination in 4 hours. If he decides to
reach in 3 hours, what should be the speed?
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Answer:
7. 20
Step-by-step explanation:
speed=distance ÷ time
therefore, s=60÷3
=20
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