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stepan [7]
3 years ago
9

Raymond's age plus two times Melanie's age equals 75. Raymond is 3 years older than Melanie. How old is Melanie? ?​

Mathematics
2 answers:
Norma-Jean [14]3 years ago
5 0

Answer:

Melanie = 24 years old

Raymond = 27 years old

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

BartSMP [9]3 years ago
5 0
Melanie=24 years old
Raymond=27 years old
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X=hours master worked
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62x+40y=492

if master worked 3hours more than apprntice
x=3+y

sub 3+y for x

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expand
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186+102y=492
minus 186 both sides
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Step-by-step explanation:

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The expression that shows the total gallons is 0.5gallon/1 day*16cups/1gallon * 7days/1week

<h3>Dimensional Analysis</h3>

From the given question, we are told that Katrina drinks 0.5 gallons per day. In order to determine the total cup that she drank in a a week, we will have:

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