ANSWER: 2j-61
j = Jenny's age
1/6 of an hour is 10 minutes because there are 60 minutes in an hour so 60/6=10
so it's 25m^2/10minutes
now just multiply 25 by 12 ( 12 lots of 10 minutes in 2 hours)
25*12=300
answer is 300m^2
hope this helped
The inverse is b. If 4x+1 .NE. 61, then x-5 .NE.10