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defon
3 years ago
5

The value of a professional basketball player's autograph rose 30% in the last year. It is now worth $286.00. What was it worth

a year ago?
Mathematics
2 answers:
solong [7]3 years ago
8 0

Answer:

$220

Step-by-step explanation:

Let one year ago, worth of a professional basketball player's autograph=x

After  increasing    worth by 30%

Now, worth of  a professional basketball player's autograph=$286

We have to find the worth of   a professional basketball player's autograph a year ago.

30% of x=\frac{30}{100}\time x=\frac{30x}{100}

According to question

x+\frac{30x}{100}=286

\frac{100x+30x}{100}=286

\frac{130x}{100}=286

x=\frac{286\times 100}{130}

x=220

Hence, a year ago the worth of  a professional basketball player's autograph=$220

charle [14.2K]3 years ago
4 0
X+0.30x=286
Solve for x
X=220
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