40min*1.05=42min they spent 42 min together
ps: check the multiplication it's 01:30 and I did that in head
Answer:
Step-by-step explanation:
Answer:
ya i dont either
Step-by-step explanation:

Step 1:
Here we have -3 in subtraction on the left side, so when we take it to the right we apply opposite operation of subtraction that is addition.


Step 2:
Next we have 4 in multiplication on left side, so dividing right side by 4,


Step 3:
taking log on both sides


Step 4:
Dividing right side by 2,
x= ln (3.75) /2 = 0.66088
Answer : x = 0.66088..