Pierce works at a tutoring center on the weekends. At the center, they have a large calculator to use for demonstration purposes that is a scale model of calculators available for the students to use.

Each key on the student calculators is 18 millimeters wide, and each key on the demonstration calculator is 3.6 centimeters wide. If the student calculators are 255 millimeters tall, how tall is the demonstration calculator?
A.
0.51 meter
B.
9.18 meters
C.
0.036 meter
D.
51 meters

Question

Pierce works at a tutoring center on the weekends. At the center, they have a large calculator to use for demonstration purposes that is a scale model of calculators available for the students to use.

Each key on the student calculators is 18 millimeters wide, and each key on the demonstration calculator is 3.6 centimeters wide. If the student calculators are 255 millimeters tall, how tall is the demonstration calculator?
 A. 
0.51 meter
 B. 
9.18 meters
 C. 
0.036 meter
 D. 
51 meters

OLIVER69 · Answer

Correct Answer: B. 9.18 meters
Explanation: Quite simply, you are figuring out how tall the demonstration calculator is so you would do 255 x 3.6 which equals 9.18 so that is your answer B.
(I hoped I could help.)

BestEver · Answer

Thxxx