Answer:
80-91654
Step-by-step explanation:
20-31 then do 482=9 66+77 then u get ans
2235 is a number that Hal could be thinking of because of the number of digits and the 3 being in the right spot.
Answer:
the answer to the question is 4.4
Answer:
One fourth
Step-by-step explanation:

Let A and B represent the number of hours that plans A and B last, respectively. Then the problem statement tells you
7A +9B = 12
5A +3B = 6
There are many ways this set of equations can be solved. I find it fairly simple to use a graphing calculator. The one shown tells me the workouts are each 3/4 of an hour.
Plan A lasts 45 minutes (3/4 hour)
Plan B lasts 45 minutes (3/4 hour)