Find the hcf of 144 and 180. if it is expressed in the form 13m-3, find the value of m

Step-by-step explanation:

To find the HCF of 144 and 180

By using product of prime method

Firstly express 144 as a product of it prime and express 180 as a product of it prime

140=2×2×2×2×3×3

180=2×2×3×3×5

Common factor =2×2×3×3

36

in term of m

m=36

13m-3

To find m

Substitute for m when m=36

13(36)-3=

465

b. 153 students do not participate in sports and seventy-five 12th graders were surveyed