The roses that Leanna cut in her front yard is 28 roses.
From the information, she uses one quarter of her roses to make a bouquet of a dozen flowers. Therefore, the total flowers will be:
= 12 ÷ 1/4
= 12 × 4
= 48 flowers
Since she cuts some roses in her front garden and another 20 in her back garden, the number that she cut in the front garden will be:
= 48 - 20
= 28 flowers.
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