Question 982974
Write an equation for each statement
:
Sarah invited the same number of boys and girls to a party.
b = g
 Everyone who was invited came, and six additional girls showed up. 
 The ratio of boys to girls was 5:6.
{{{b/((g+6))}}} = {{{5/6}}}
b = g therefore
{{{g/((g+6))}}} = {{{5/6}}}
Cross multiply
6g = 5(g+6)
6g = 5g + 30
6g - 5g = 30
g = 30 girls invited
:
 How many girls showed up? 36 girls