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Ostrovityanka [42]
3 years ago
11

Need help. this is hard.

Mathematics
1 answer:
kicyunya [14]3 years ago
5 0
\dfrac{x}{y}=\dfrac{13}{5}\\
x+y=90\\\\
5x=13y\\
x=90-y\\\\
5(90-y)=13y\\
450-5y=13y\\
18y=450\\
y=25\\\\
x=90-25\\
x=65

It's 65 and 25.
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