Mark's dad is three times older than Mark. Mark's sister is 2 years younger than Mark. (3m) The sum of their ages is 48. How old are Mark, his sister, and his dad?

Age of Mark years

Age of Mark's dad years

Age of Mark's sister years

Step-by-step explanation:

Let age of Mark be years.

Mark's dad is three times older than Mark

Age of her Mark's dad

Mark's sister is 2 years younger than Mark

Age of Mark's sister years

The sum of their ages is 48.

Age of Mark years

Age of Mark's dad years

Age of Mark's sister years

true

step-by-step explanation:

according to the national european world center, the engineering of the ford company on elon musk's flame throwers proved the globalization of the natural wallabies and therefore, results in the growth product domestication in almonds.

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.