Homework Friday, 11/16

Pre-Algebra: Do at least one more sheet of stars.  Write briefly about how the number of points and the pattern you choose affects the overall shape of the stars.

Algebra: Prepare for Monday's test.  Here are the answers to the sheets I gave you.  Email me with questions.

"Plenty of System Problems" Worksheet:

1. 75 Chicken eggs, 80 Duck eggs (Cleo tells me that Duck eggs are actually heavier)
2. $7.05 ($0.50 for Bacon, $0.65 for an Egg)
3. Good seats cost $21, Iffy seats cost $9
4. $1140 (Delivery is $40, Llamas are $110)
5. Big engine = 85 mi/hr, Small engine = 12 mi/hr; Max speed = 399 mi/hr.
6. Rowing = 4.2 mi/hr, Current = 1.4 mi/hr
7. Slinky = 4.5 ft/s, Escalator = 3 ft/s
8. About 17.14 ounces of Expensive, 12.86 ounces of Cheap
9. About 94.12 L of Flammable (90%), 405.88 L of the 5%
10. Angela: $837.56, Kristofer: $583.76

"Mixture Problems" Worksheet:

1. 80 lb of A, 40 lb of B
2. 411.6666... lb of A, 63.33333... lb of B
3. About 1.29 cups of Light green, 3.71 cups of Dark green

"System Problems" Worksheet:

1. Wilcox: $381.82, Whitt: $472.73
2. End up with $329.26 (get $65.85, have to pay $36.59)
3. x = 6, y = -3, z = 5

Extra Mixture Problem from end of class:

You need about 308.82 pounds of the 88% Silver, and 41.18 pounds of the 20% Silver.