3 years ago

HELP NEEDED!!! WILL GIVE 5 STARS!

1 answer:

3 0

270=2b + a
420=2a + 3c (you have to use trial and error for this)

B = 120
A = 30
C = 120

Just to check
270 = (2x120) + 30
420 = (2x30) + (3x120)

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