SOLUTION: The sum of two positive numbers is 80. One of the numbers is 4 less than 50% of the other. Find the two numbers by solving a system of two equations in two unknowns.
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Question 1054789: The sum of two positive numbers is 80. One of the numbers is 4 less than 50% of the other. Find the two numbers by solving a system of two equations in two unknowns.
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
x+y = 80 (1)
x = 0.5y-4 Substitute for x in (1)
0.5y-4+y = 80
1.5y = 84
y = 56
and x = 0.5(56)-4 = 24
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Check:
56+24 = 80 Correct
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