A buy purchase 20% of the 27000 widgets in a warehouses inventory. The next day, another buyer purchase 10% of the remaining widgets. How many widgets are left in the warehouse.

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Can anyone me with 32,33,36,37,and 40.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !