Question

pls help this is really complicated for my brain so if anyone knows how to do backtracking and undoing any help is accepted!!!

Answer 1

2.72 8.75 good luck :)))

Answer 2

2.73 8.75

Explanation:

n = 1

1 (DOUBLE) = 1+1 = 2

2 +3/4 = 1.5

1.5 +2 = 3.5

3.5 x 0.22 = 0.77

3.5 - 0.77 = 2.73

n = 1

1 + 3/4 = 1 + 0.75 = 1.75

1.75 (DOUBLE) = 3.5

3.5 x 2 1/2 = 8.75