Trojúhelník se stranami dlouhými 8 cm, 10 cm a 12 cm potřebujeme zmenšit tak, aby nejdelší strana byla dlouhá 9cm. V jakém poměr
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Set up a system of equations like this, where "k" represents a kolache and "d" represents a donut:
We're solving for d. First, we can rearrange the second equation to have it equal k:
Next, we can substitute this in for k in the first equation:
Finally, we can get the value of d if we solve this equation:
You can buy a donut at Sunrise Donuts for $0.94.
We're solving for d. First, we can rearrange the second equation to have it equal k:
Next, we can substitute this in for k in the first equation:
Finally, we can get the value of d if we solve this equation:
You can buy a donut at Sunrise Donuts for $0.94.