Question 1149207
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Using formal algebra....<br>
Let Anna's age be x; then Bill's age is 2x.<br>
The sum of their ages is 36:<br>
{{{x+2x = 36}}}<br>
Solve using basic algebra to find Anna's age, x.<br>
{{{3x = 36}}}
{{{x = 12}}}>br>
Anna's age is 12; that means Bill's age is 2*12 = 24.<br>