A carpenter has a wooden plank that is 1 m long, 12 cm wide and 4 cm thick. The LENGTH : WIDTH : THICKNESS ratio of the plank is
A 1:12:4
B 1:3:1
C 25:3:1
D 25:12:1

Respuesta :

It’s A

Because you can’t simplify.
The answer is C.

Explanation:

You have to first turn the meter(s) into centimeters like the rest.
(They all MUST be the same type)
1m = 100cm

Now you have to simply the amounts.
Since we can divid all of the numbers by 4, we will simplify by 4.

100 / 4 = 25
12 / 3 = 4
4 / 4 = 1

Therefore your answer is C.

25, 4, 1