Question 557999
Let {{{a}}} = cost of a salad
Let {{{b}}} = cost of a sandwich
given:
{{{ 20a = 15b }}}
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{{{ 20a = 15b }}}
{{{ a = (15/20)*b }}}
{{{ a = (3/4)*b }}}
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12 sandwiches would be the same as
{{{ a = (3/4)*12 }}}
{{{ a = 9 }}}
You can buy 9 salads