A one story house is 2,200 square feet. 40% of the house has a basement. How many square feet is the basement?

880 ft²

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Step-by-step explanation:

Step 1: Define

2,200 ft²

40% (0.4) of the house is basement

Step 2: Evaluate

Here we see that 880 ft² out of the 2200 ft² would represent the allocated space for the basement.

Step-by-step explanation:

Full story = 2200 square feet

Basement = 40% of the story

Basement is:

step-by-step explanation:

x^2 -12x + 36 + y^2 = 36

x^2 + y^2 = 12x

r^2 = 12rcos(theta)

r = 12 cos(theta)

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls