D=dollars earned
T=time spent painting the fence.
(1,5) (2,10) (3,15)
D=5T
The no. of letters in the world (MATH) = 4
the no. of favourable outcomes = 10
hence‚ probability of getting the letters (MATH) 2/5
5.1 ANSWERS.pdf
2. Page 3. Practice: Use your calculator to sketch a graph of each