Use proportions and a rule of three to solve this problem
1 in ----------------------- 2.54 cm
10 in --------------------- x
x = (10 x 2.54) / 1
x = 25.4/1
x = 25.4 cm
There are 25.4 cm in 10 in
Just look for the factor, the factor between inches and cm is 2.54.
Use a rule of three to find the answer. Use croos multiplication