Acertain scholarship committee awarded scholarships in the amounts of $1,250, $2,500, and $4,000. the committee awarded twice as many $2,500 scholarships as $4,000 scholarships, and it awarded three times as many $1,250 scholarships as $2,500 scholarships. if a total of $37,500 was awarded in $1,250 scholarships, how many $4,000 scholarships were awarded?