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1 answer:
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Answer:
A. 1 cm will represent 300 metres in real life.
B. 2.5 inches will represent 15 miles on the road
Step-by-step explanation:
Part A.
The scale on the map is 1: 30000. This means that for every 1 unit drawn on the paper, it actually represents 30,000 units in real life.
To get the actual distance represented by 1 centimetre, we will first have to convert 1 cm to metre. this is because our answer is required in metres.
This will be 1 cm = 0.01 metres
We can no set up the relation.
if 1 unit represents 30,0000 units in real life
0.01 metres will represent x metres in real life.
This will be got by cross multiplying
it will represent 300 metres in real life.
Part B
following the same principle above, we can also set up a relation.
If 1 inch represents 6 miles
2.5 inches will represent x miles on the road.
cross multiplying, we will have
2.5 inches will represent 15 miles on the road