The ratio of landline phones to cell phones at an apartment complex is 2 to 3. If there are 68 landline phones, how many phones
1 answer:
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(-2,-5)
The first goal with equations like these is to get one of the variables to go away. You can do that by adding/subtracting one equation from the other. Then you solve for the one variable. Then you plug that answer into one of the original equations and solve.
The first goal with equations like these is to get one of the variables to go away. You can do that by adding/subtracting one equation from the other. Then you solve for the one variable. Then you plug that answer into one of the original equations and solve.
Answer:
Step-by-step explanation:
<em>A)</em>
<em>A - the population after its decrease </em>
<em>x - the number of years in which there has been a decrease in population</em>
<em>Hence,</em>
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<em>Divide both parts of the equation by 475:</em>
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<em>B)</em>
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