Question

MATH WORD PROBLEM! NEED HELP ASAP!

Ally is making a scale diagram of her classroom. She uses a scale factor of 3 centimeters per foot to draw the diagram. The actual length of the classroom is 18 feet, and its width is 20 feet. What is the area of the scale drawing of the classroom?

Answer 1

Scale 3 cm - 1 foot

convert both to cm using the scale.

18 feet - 54 cm

20 feet - 60 cm

then the area is (54 cm)*(60 cm) = 3240 cm square

Answer 2

The area of scale of the classroom using the scale factor of 3cm per foot that has 18 feet length and 20 feet breadth square centimetre it is computed by dividing first the side and multiply the result to each other.

solution

scale 3 cm - 1 foot

concert nothing to cm using the scale .

18 feet - 54 cm

20 feet - 60 cm

Now,
area (54×60) cm.

=3240