# data[].attributes.body
(b/a) -  (c/b)
= (5/3) - (6/5)
=7/15 ( Ans)

# data[].attributes.body
Q3 (c)

# data[].attributes.body
Q2 (b) (c)

# data[].attributes.body
You may refer to Worked Example 1 in p98 to find out how to do substitution.

1. Attempt the following questions in your notebook, showing the SUBSTITUTION clearly.
2. Take a photo of your work and post it here