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alexandr1967 [171]
2 years ago
7

19. If the scale is 1:100 on a plan, and a fence is 7,500 mm,

Mathematics
1 answer:
marshall27 [118]2 years ago
4 0

Answer:

It will measure 75 millimetres on the plan.

Step-by-step explanation:

Given:

Scale on the plan = 1:100

Length of the fence =  7,500 mm

To find:

how many millimetres will it measure on the plan

Solution:

As the ratio on the plan is 1: 100, the for 7500 the ratio will

x : 7500

Now by cross multiplication we get

7500 \times 1 = x \times 100

7500 = 100x

x =\frac{ 7500}{100}

x = 75

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