Question D:
The terms in the expression are '60a' and '30c'
Question E:
Factors of 60a could be
2 × 30 × a
3 × 20 × a
4 × 15 × a
5 × 12 × a
6 × 10 × a
Question F
Factors of 30c could be
2 × 15 × c
3 × 10 × c
5 × 6 × c
Question G
Coefficient of 60a is '60'
Coefficient of 30c is '30'
Question H
The meaning of the two terms
Term '60a' means multiply the value of 'a' by 60 to find the total cost for 'a' number of adults
Term '30c' means multiply the value of 'c' by 30 to find the total cost for 'c' number of children