Problema Solution
The first week Samantha learnd to read Braille,she could read 10 words per minute. In the second week she increased her by 20 percent. In the third week she increased her speed again by another 25 percent. How many words could she read per minute by the third week
Answer provided by our tutors
first week Samantha can read: 10 words per minute
second week Samantha can read 20% faster or: 10 + 0.20*10 = 12 words per minute
third week Samantha can read 25% faster or: 12 + 12*0.25 = 15 words per minute.
by the third week Samantha can read 15 words per minute.