How many positive integers less than 2018 are divisible by 20 or by 25, but not by both? Question How many positive integers less than 2018 are divisible by 20 or by 25, but not by both? in progress 0 Math Ariana 2 weeks 2021-09-13T15:46:18+00:00 2021-09-13T15:46:18+00:00 1 Answer 0

## Answers ( )

Answer:

160

Step-by-step explanation:

Divisible by both 20 and 25:

Divisible by 100

2018/20 = 100.9

100 multiples of 20

2018/25 = 80.72

80 multiples of 25

2018/100 = 20.18

20 multiples of 100

Union: 100 + 80 – 20

160