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vlabodo [156]
3 years ago
5

A boat travels 20miles downstream then 40miles upstream

Mathematics
1 answer:
Savatey [412]3 years ago
4 0

Answer:

so the travled 20 miles upstream and altogether the travled 60 miles

Step-by-step explanation:

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Is 7/8 or 11/10 closer to 1? how did you decide?
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11/10 is closer to 1. 
To solve for this, give them common denominators. Lets make it 80 for this one.
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What is the unit rate of 13/2 pounds per 3/4 quart?
kodGreya [7K]

Answer:

26/3 or 8.66666 (8.6 with a line over the 6)

Step-by-step explanation:

According to the problem, 13/2 pounds is only 3/4 of a quart. A unit rate, however, has a denominator value of 1. To solve this question, we must change the value of 3/4 to 1.

The first step to this is changing 3/4 to 1/4. This means affecting the value 13/2 pounds. 1/4 is a third of 3/4. We must find a third of 13/2 to properly change this relationship. So, we should do 13/2 ÷ 3. This can also be written as 13/2*3. So, a third of 13/2 is 13/6. Our new relationship is 13/6 pounds = 1/4 quart.

Now, we can multiply 13/6 and 1/4 by 4 to get ? and 4/4, or 1. We can multiply the numerator by 4 to finish this step. 13/6 becomes 13*4/6, which equals 52/6. 52/6 can be divided by 2 to simplify the fraction and becomes 26/3.

So, the <em>unit rate of 13/2 pounds per 3/4 quart is 26/3</em>. 26/3 can also be written as 8.66666, or 8.6 with a line over the 6, in decimal form.

3 0
3 years ago
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