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Applications

Postby nycmath » Mon Aug 24, 2026 11:12 am

If 5 toy cars sell for $12.99, what is the cost of 10 toy cars?
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Re: Applications

Postby Eigenvalue » Tue Aug 25, 2026 10:57 pm

Let x be the price for 10 toy cars
[tex]\frac{5}{12.99}[/tex]=[tex]\frac{10}{x}[/tex]
5x=12.99*10
x=12.99*2
x=2(13-0.01)=26-0.02=25.98

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Re: Applications

Postby nycmath » Wed Aug 26, 2026 2:04 am

Eigenvalue wrote:Let x be the price for 10 toy cars
[tex]\frac{5}{12.99}[/tex]=[tex]\frac{10}{x}[/tex]
5x=12.99*10
x=12.99*2
x=2(13-0.01)=26-0.02=25.98


Yes, very true.

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