A deep sea diver must descends below the surface of the water at a rate of 60 feet each minute. what is the depth of the diver a
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Let us convert the percentages to decimal format first.. so 5% is just 5/100 or 0.05 and 15% is just 15/100 or 0.15
so hmmm, so, let's say it needs "x" amount and "y" amount of each respectively, so, whatever "x" and "y" are, they must add up to 100, and whatever their concentration is, must add up to what the mixture yields
thus
solve for "x"
what's "y"? well, y = 100 - x
so hmmm, so, let's say it needs "x" amount and "y" amount of each respectively, so, whatever "x" and "y" are, they must add up to 100, and whatever their concentration is, must add up to what the mixture yields
thus
solve for "x"
what's "y"? well, y = 100 - x
Hello.
The mathematical concept of this problem is basic once you get down to it. The question asks, "How many times more minutes does Shawn listen to than Greg?"
Remember the "How many" rules:
· "How many more" suggests subtraction
· "How many times" suggests division
Let's also take a look at our opening sentence: "For every 9 minutes of music Shawn listens to, Greg listens to 4 minutes of music." This means we can set it up as a fraction, as we have the phrase "For every" in our sentence. So, let's do that.
is our fraction;
To simplify, we need to divide our numerator (the number on the top) by our denominator (the number on the bottom).
9 / 4 = 2.5
This is our rate, or how many times more music Shawn listens to than Greg.
Your answer is: "Shawn listens to 2.5 times more music than Greg."
I hope this helps!
The mathematical concept of this problem is basic once you get down to it. The question asks, "How many times more minutes does Shawn listen to than Greg?"
Remember the "How many" rules:
· "How many more" suggests subtraction
· "How many times" suggests division
Let's also take a look at our opening sentence: "For every 9 minutes of music Shawn listens to, Greg listens to 4 minutes of music." This means we can set it up as a fraction, as we have the phrase "For every" in our sentence. So, let's do that.
To simplify, we need to divide our numerator (the number on the top) by our denominator (the number on the bottom).
9 / 4 = 2.5
This is our rate, or how many times more music Shawn listens to than Greg.
Your answer is: "Shawn listens to 2.5 times more music than Greg."
I hope this helps!