A. The actual building height will be 596 ft tall. You want your model to be 3 ft tall. What will the scale factor be? For this
project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building.
B. The actual building height will be 254 ft tall. You want your model to be 5 ft tall. What will the scale factor be? For this project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building.
C. The actual building height will be 1087 ft tall. You want your model to be 6 ft tall. What will the scale factor be? For this project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building.
B. The actual building height will be 254 ft tall. You want your model to be 5 ft tall. What will the scale factor be? For this project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building.
C. The actual building height will be 1087 ft tall. You want your model to be 6 ft tall. What will the scale factor be? For this project, the constant of proportionality is ________. Each inch of the model will represent ________ft of the actual building.
1 answer:
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Solution:
Let x represent a number of calling minutes. According to the problem, we want:
now, putting the similar terms together, we obtain:
this is equivalent to:
now, solving for x, we get:
then, the correct answer for the first question is:
400 minutes is the number of minutes the two plans cost the same
now, for the second question, we can replace the above value (400 minutes) into the following equation:
so that, the correct answer for the second question is:
$55 is the cost when the two plans cost the same
Answer:
Step-by-step explanation:
we have
so
substitute the value of in the expression