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Daisy decides to go on a hike to a picnic area. Her map shows that when she reaches the giant oak tree she will have completed 60% of the hike. When Daisy reaches the giant oak tree she has walked 18 kilometers. How many kilometers does Daisy have left to reach the picnic area?

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Answer:

12km

Explanation:

Given that:

Let:

Total distance = d

From start to giant oak tree = 60% of hike

Distance from start to giant oak tree = 18 km

Hence ;

60% of d = 18km

0.6d = 18km

Divide both sides by 0.6

0.6d/ 0.6 = 18km / 0.6

d = 30km

Total distance of picnic area = 30 kilometers

Hence, distance left to reach picnic area :

Total distance - distance covered

30km - 18km

= 12km

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