For every 50 emails that Nick sent in a month, he received 30 emails. What is the ratio in simplest form of the number of emails
1 answer:
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Make a system of equations.
Re-arrange the 2nd equation:
Subtract y to both sides:
Plug in -y + 22 for 'x' in the first equation.
Subtract 3y to both sides:
Subtract 22 to both sides:
Divide -4 to both sides:
Plug this into any of the two equations to find 'x':
Subtract 5 to both sides:
So one of the numbers is 5 and one of them is 17.
Re-arrange the 2nd equation:
Subtract y to both sides:
Plug in -y + 22 for 'x' in the first equation.
Subtract 3y to both sides:
Subtract 22 to both sides:
Divide -4 to both sides:
Plug this into any of the two equations to find 'x':
Subtract 5 to both sides:
So one of the numbers is 5 and one of them is 17.
Answer:
x - 7 -28
Step-by-step explanation:
I guarantee you that this is correct. It's pretty simple to understand.
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