Question 1:
half the number n is [tex] \frac{1}{2} n [/tex]
8 more means that we will add more
Therefore:
c = [tex] \frac{1}{2} n [/tex] + 8
Question 2:
three fifth of b is [tex] \frac{3}{5} b [/tex]
7 less means that we will subtract 7 from the given amount
This means that:
a = [tex] \frac{3}{5} b [/tex] - 7
Question 3:
the quotient of h and 3 means that we will divide h by 3 giving [tex] \frac{h}{3} [/tex]
2.5 more means that we will add 2.5
This means that:
w = [tex] \frac{h}{3} [/tex] + 3
Hope this helps :)