Three pumps can remove a total of 1700 gallons of water per minute from a flooded mine shaft if engineers want to remove at least 5500 gallons per minute how many pumps will they need operating

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8