The cost of living last year went up 5%. Fortunately, Alice Swanson got a 5% raise in her salary from last year. This year sh
1 answer:
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Let
x-------> the amount of solution
y--------> the amount of solution
we know that
so
-------> equation A
-------> equation B
substitute equation A in equation B
find the value of y
therefore
The student need of
solution and
of
solution
<u>the answer is</u>
A) The percent values were written incorrectly in the equation
B) The amount of 7% solution should be written as 1 – x, not x – 1.
Apologies for the bad handwriting.
