A snail moves at n centimetres per hour. A second snail moves 4 centimetres per hour faster than the
first snail.
Which of these expressions would represent the time
taken for the second snail to travel one metre?
100
100
1
n+4
1
n-4
n+4
n-4

1st one

Step-by-step explanation:

so, converting firstly the mixed fractions to improper fractions and then "adding".

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.