percent of slopeとは 意味・読み方・使い方

As it was 1964 that people started to settle here, some 30 percent of the residents in this housing complex turned the age of 65 or above, which means the aging has been advancing, and the land slope there makes it harder for the seniors to go to and come back from supermarkets outside the housing complex.発音を聞く 例文帳に追加

1964年に入居が始まったこの団地は住民の3割が65歳以上と高齢化が進んでおり、かつ、傾斜地にあるために団地の外のスーパーマーケットへの往復が高齢者にとって困難になっている。 - 経済産業省