Simple patterns, variables, the order of operations, simplification, evaluation, linear equations and graphs, etc.
- Posts: 23
- Joined: Wed Jun 17, 2009 3:49 pm
if you buy lean ground beef from store A at $2.99/kg and at store B @ $0.34/100g
which store is cheaper.
- Posts: 20
- Joined: Sun Feb 22, 2009 10:07 pm
there are 1000 g in 1 kg
convert the units to the same thing like .34/100g=3.4/1000g=$3.40/1kg (by times 10 on both)
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