If one balloon is 10 meters off the ground and is rising 15 meters per minute . the other balloon is 159 meters off the ground and descending 20 meters per minute. in how many minutes will the balloons be at the same heigh? how high will the balloons be at that time ?

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon