# math

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paid before February 12th the social cost \$2.00. If you paid at the door the social cost \$5.00. Altogether, 110 students attended the social collecting a total of \$454. How many students paid before February 12th and how many paid at the door?

• math -

e = paid early
d = paid at door

e + d = 110
2e + 5d = 454

3d = 234
d = 78
e = 32

check:
2*32 + 5*78 = 64 + 390 = 454

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