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ahrayia [7]
4 years ago
9

HELP PLEASE! WILL MARK BRANLIEST!! (Answer is not 252, 168, or 1050) ASAP!!

Mathematics
2 answers:
Likurg_2 [28]4 years ago
5 0

Answer:

300

Step-by-step explanation:

40% = 0.40

420/1.4 = 300

To check:

300 * 0.40 = 120

120 + 300 = 420

tia_tia [17]4 years ago
4 0

Answer:

300

Step-by-step explanation:

Let x represent the original number.

Then the number plus a 40% increase comes out to 1.40n.

This 1.40n = 420.  Solve this for n:

n = 420/1.40 = 300

the unknown (original) number was 300.

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please mark me brainliest

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