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katrin2010 [14]
3 years ago
14

Helllllllllllp meeeeeee

Mathematics
1 answer:
lubasha [3.4K]3 years ago
6 0
The constant of proportionality in terms of the cost per text is the coefficient of t in the equation b=0.25t. Since the coefficient of t is 0.25, the constant of proportionality in terms of the cost per text is 0.25.
Proportionality constants are usually expressed as fractions, so lets convert 0.25 to a fraction. To do that we are going to add the denominator 1 to our decimal, and then we will multiply both numerator and denominator by ten for every number after the decimal point:
\frac{0.25}{1}
\frac{0.25}{1} . \frac{100}{100} = \frac{75}{100}
Finally, we can simplify our fraction:
\frac{25}{100} = \frac{1}{4}

We can conclude that the constant of proportionality in text of the cost per text is 1/4


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you are assembling desserts with a friend together you can make 12 desserts in 5 minutes. how many can you make in 20 minutes?
Sever21 [200]
You can solve this in two ways.

First way:
Let’s find out how many my friend makes in one minute.
12/5=2.4
He makes 2.4 in one minute. Let’s multiply that by 20 to find what he makes in 20 minutes.
2.4•20=48
My friend made 48 desserts.

Second way:
Let’s make a ratio.
12 desserts:5 minutes
X desserts: 20 minutes
Whatever you do to one side, you have to do to the other. Since you are multiplying the minutes by 4, you have to multiply the desserts by 4.
12•4=48

So, my friend made 48 desserts.
Tell me if this helps!!!
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Archy [21]

Answer:

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Step-by-step explanation:

Hi there.

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