3 years ago

When a number is increased by 2.5%, the result is 51. What is the original number to the nearest tenth?

Mathematics

1 answer:

labwork [276]3 years ago

7 0

Answer:

49.8

Step-by-step explanation:

Number - x

2.5% of the number is 0.025x.

New number is x+0.025x = 1.025x.

New number is 51.

1.025x = 51

x = 51/1.025≈ 49.8

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