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WAEC Mathematics 2020 Paper
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© africaexams.com
Question : 16
Total: 48
Two buses start from the same station at 9.00am and travel in opposite directions along the same straight road. The first bus travel at a speed of 72 km/h and the second at 48 km/h. At what time will they be 240km apart?
1:00 pm
12:00 noon
11:00 am
10:00 am
Validate
Solution:
Let x be the time
Then 72x + 48x = 240
120
120
×
240
120
x = 2hrs
9:00 + 2hrs = 11:00 am
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