Y° = y₁° (opposite or Vertical angles), but y₁ = 45° corresponding angles,
then y = 45°
You have to set up a proportion so 2 over 3= x over 60. So multiply 2 times 60= 120 divided by 3 which is 40
1 day use 4 bags
? day use 1/2 bag
Cross multiply
(1•1/2)/4= 1/2•1/4= 1/8 of the day
In 1/8 of the day 1/2 of bag of milk will be used.
Check the picture below.
make sure your calculator is in Degree mode.