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FinnZ [79.3K]
3 years ago
11

Help Will Give Brainlist M

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
4 0

Answer:

mary has 135 coins.

Step-by-step explanation:

let the coins that john has be x

and coin mary than = 3x

according to the question equation is

x + 3x = 180

4x = 180

x = 180 / 4

x = 45

coins mary has  = 3x

=3*45

=135

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