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liq
[111]
3 years ago
14
A class of 260 students went on a field trip. They took 12 vehicles, some cars and some buses. Find the number of cars and the n
umber of buses they took if each car holds 5 students and each bus holds 25 students. Let c= cars and b= buses.
Mathematics
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answer:
Afina-wow
[57]
3 years ago
5
0
The equation is 5c+25b=260 when c+b=12. rearrange that into 12-b=c. substitute and you get 5(12-b)+25b=260. b=10. 12-10=2, so 10 buses and 2 cars were used as transportation for the field trip.
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