Triplicate. eg
This letter should be done in triplicate.
insoluble
it is 10
Writing in triplicate.
If you call the number of tigers "t", then you can write this as:3t = 450
Call the numbers 'A' and 'B'.Then write:5A = 6B
magnify glasses
a fan phone is somthing that you can call celebrities on
an explanation or adjective or adverb
call a friend and arrange somthing to do
duet
triannual
Careful