kaleb had 125 songs on his mp3 player. if he deleted 54 songs, what is the ratio of the songs kept to songs he deleted
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No, 
is not a subspace of 
. A simple counter-example to the contrary: let 
with 
. However, scaling by -1 gives the vector 
and 
.
I would set up a proportion:
The proportion basically says, "if there are 5 kids meals for every 4 adult meals, that means 20 kids meals would mean x adult meals." Just cross multiply and then solve for x:
That means there are 20 kids meals sold and 16 adult meals sold, so the result is:
36 meals in total.
The proportion basically says, "if there are 5 kids meals for every 4 adult meals, that means 20 kids meals would mean x adult meals." Just cross multiply and then solve for x:
That means there are 20 kids meals sold and 16 adult meals sold, so the result is:
36 meals in total.