2 years ago

Alex, Gil and Meg shared 740 cards. Alex had 20 fewer cards than Gil and

Mathematics

1 answer:

Ivan2 years ago

3 0

Answer:

Step-by-step explanation:

A + G + M = 740

A = G - 20

A = M - 120

Therefore,

G = A + 20

M = A + 120

Plug it in...

A + (A + 20) + (A + 120) = 740

Combine like terms

3A + 140 = 740

- 140 -140

3A = 600

/3 /3

A = 200

Double check

A = 200, G = 220, M = 320

200 + 220 + 320 = 740

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