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Hi
GG = 250 + 12.25n
PE = 900 + 9.50n
Checking out when they would cost the same.
250 + 12.25n = 900 + 9.50n
2.75n = 650
n = 236.4 rounded down to whole number
Orders for n > 236 would make Print Express the better option
Wish You the Best in your Studies.