If two-thirds of a number decreased by 20 is 40, what is the number?

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asked Dec 17, 2019 212k views

1 Answer

Bjornd · Answer 1 · 2019-12-22T06:19:21+0000

Answer:
The number is: 90

Step-by-step explanation:
Assume that the number is a.
We have two thirds of "a" decreased by 20 is 40
This means that:
(2/3)(a) - 20 = 40
(2/3)a = 20 + 40
(2/3)a = 60
2a = 60*3
2a = 180
a = 180/2
a = 90

Hope this helps :)

If two-thirds of a number decreased by 20 is 40, what is the number?

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