between 10 pm and 7:36 am the water level in a swimming pool decreased by 4/15 in. assuming that the water level decreased at a constant rate how much did the water level drop each hour ? pls helpp​

Respuesta :

Answer:

  • 1/36 in/hour

Step-by-step explanation:

Time passed between 10 PM and 7:36 AM:

  • 2 + 7 36/60 = 9 3/5 hours

Level decrease is 4/15 in within 9 3.5 hours

Find the decrease rate per hour:

  • 4/15 : 9 3/5 =
  • 4/15 : 48/5 =
  • 4/15 * 5/48 =
  • 1/36 in/hour