Date: 2006-08-21 07:42 pm (UTC)
Lessee.

8y + 6x = 70.
2y=7x, y = 7/2x
28x + 6x = 70. x=2.05882353 cents per gumdrop

each candybar = 7.20588235 cents

6 candybars = 43.2352941
6 gumdrops = 12.3529412
sum= 55.5882353

Change for a dollar = 44cents. (frac pennies are lost)

(checks answer)

Hmph! Rounding to nearest penny - they've obviously never seen a gas pump or a credit card statement...
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