Question 399357
Let {{{x}}} = yards of green material she bought
Then {{{x - 1}}} = yards of blue material she bought
given:
{{{x + x - 1 = 4.5}}}
{{{2x - 1 = 4.5}}}
{{{2x = 5.5}}}
{{{x = 2.75}}}
{{{x - 1 = 1.75}}}
She bought 2.75 yards of green and 1.75 yards of blue