The sound level measured in a room by a person watching a movie on a home theater system varies from,40 dBduring a quiet part to

70 dB,
during a loud part. Approximately how many times louder is the latter sound? (enter only a number as your answer)

Sasha has just gotten a new job in a nearby city. after comparison shopping, she found that renting a nice two-bedroom apartment would cost around $800 per month. her utilities would cost about $150 per month. sasha has enough money saved for a down payment, and she found that she can buy a three-bedroom house or condo with a mortgage payment of $1,000 per month, including taxes and homeowner's insurance. her utilities would cost about $200 per month. what is the advantage of buying the house over renting the apartment?