Question

Need help with these four questions ,pleasee

Answer 1

c for question 25

Explanation:

first you have to cross multiply 5 multiply by 3 equals 15 than 20 multiply by z gives you 20z then 15=20z you want to get z by itself then you divide by 20 on both sides which is 15 divided by 20 then z is going to equal 0.75