IMC 2005 Q12
12. One gallon of honey provides enough fuel for a bee to fly about seven million miles. Roughly how many bees could fly one thousand miles if they had ten gallons of honey to share between them?
- A 7 000
- B 70 000
- C 700 000
- D 7 000 000
- E 70 000 000
Intermediate Mathematical Challenge 2005, Question 12. © UK Mathematics Trust. Original paper on ukmt.org.uk
Answer: B 70 000
Ten gallons of honey would provide enough fuel for one bee to fly about 70 000 000 miles. So the number of bees which could fly 1000 miles is approximately 70 000 000 ÷ 1000, that is 70 000.
Solution © UK Mathematics Trust, from the IMC 2005 solutions.