Looks like the answer is 72.89 degrees, which is roughly equal to 73 degrees.
4 and 8::::::: because they have no variable u can add 4 and 8 which would be 12
Tan = opp/adj
Tan A = 16/12
Let the number of weeks to have same amount = x Then:-
1200 + 40x = 700 + 50x
1200 - 700 = 50x - 40x
10x = 500
x = 50
answer is 50 weeks
