The particular identity you want to use is
Then
Expand the binomial to get
Use the identity again to write
and so
A soccer player has a limit of 700 calories in a sandwich and chips meal. The sandwich is 464 calories and each chip is 7 calori
2 answers:
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The old fare was "x"
then it got bumped up by 15%, and the new price is x + 15% of x,
so.. one could say, that "x" is the 100%, then you add a 15% to
it, to get 600
thus
solve for "x"
then it got bumped up by 15%, and the new price is x + 15% of x,
so.. one could say, that "x" is the 100%, then you add a 15% to
it, to get 600
thus
solve for "x"