Question 824320
You are to find one of two numbers that is two times the size of the first number. These two numbers together equal 180. What is that number?
Equation:
a + b = 180
b = 2a
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Substitute and solve for "a":
a + 2a = 180
3a = 60
a = 20
b = 160
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Cheers,
Stan H.
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