video1.0<iframe src="https://www.loom.com/embed/bca5d9d269e24760a3eff96e8a0ba824" frameborder="0" width="1280" height="960" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>9601280Loomhttps://www.loom.com9601280https://cdn.loom.com/sessions/thumbnails/bca5d9d269e24760a3eff96e8a0ba824-00001.jpg119p: Ken is working this summer as part of a crew on a farm. He earned $8 per hour for the first 10 hours he worked this week. Because of his performance, his crew leader raised his salary to $10 per hour for the rest of the week. Ken saves 90% of his earnings from each week. What is the least number of hours he must work the rest of the week to save at least $270 for the week? a: 38 ; 33 ; 22 ; 16 ;