36/60, now reduce.
9/15, reduce more
3/5, so 3.5 of the students chosen at random used a calculator for computation.
2/5 van not be simiplified because 2 and 5 dont have a common factor lower than them
Usually the easiest way to solve this is by using a calculator. Of course only if your teacher allows you too.
Answer:
21
Step-by-step explanation:
30 - 9 +3
30 - 12
18
18 - 12=4
12/4 = -3
18 - -3
21
