Carl works in a cinema. 19 people have already been seated. 23 more are in the queue. How many people will watch the film in tot
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Answer:
See explanation
Step-by-step explanation:
The distibutive property states that for all real numbers a, b and c
Draw a rectangle with length of (a+b) units and width of c units. The area of this rectangle is
Divide this rectangle into two rectangles: first rectangle with the length of a units and the width of c units and the second rectangle with the length of b units and the width of c units. The area of these rectangles are
These two rectangles together form initial rectangle, so the sum of the area of two smaller rectangles is the area of the bigger rectangle.