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GalinKa [24]
2 years ago
15

If one-half of a number decreased by 20 is 40, what is the number?

Mathematics
2 answers:
Anvisha [2.4K]2 years ago
8 0

Answer:

120

Step-by-step explanation:

Just add the 20 back to 40 and times by 2

40 + 20 = 60

60 * 2 = 120

DedPeter [7]2 years ago
8 0

Answer:

The number is: 120

Step-by-step explanation:

We have one-half of "a" decreased by 20 is 40

This means that:

(1/2)a-20=40

(1/2)a=60

a=120

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