Andrea's backyard is 400 square feet her rectangular swimming pool is 10 feet long and 6 feet wide what is the area of Andrea's backyard not including the swimming pool

Area of the backyard without pool = 400 - 60  = 340 square feet

Step-by-step explanation:

The area of the backyard without the pool is given by the following equation:

Area of the backyard without pool = total area of the backyard - area of the pool

To find out the area of the backyard without the pool we need to first find the area of the pool wich is given by:

area of the pool = 10*6 = 60 square feet

So the area of the backyard without the pool is:

Area of the backyard without pool = 400 - 60  = 340 square feet.

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

pls mark as brainliest.