Answer:
15
Step-by-step explanation:
100 laps
100 divided by 20 Is 5
3 x 5 is 15
please brainliest me
2. or 3 one ejei2iieieieo2ow9w
270 ÷ 30 = 9
9x3=27
90x3 = 270
27 ÷ 3 = 9
90 x 3 = 270
30 x 9 = 270