Hello! i can do the first word problem
first we need to divide 600/3 which is 200.
therefore we can infer that he does 200 letters an hour and we can solve the problem with this
200 x 7 = 1400 letters an hour
Answer:
(7,-1)because it is problem of vector lesson so that we have to use formula of vector
Letter c
Letter c
Letter c
Letter c
Letter c