 
 <prompt> For school, di number of pipo wey participate for di 2018 Science Quiz Bowl na 150. Dem get 20 more pipo pass twice di number of participants for 2019 as dem get for 2018. For 2020, di number of participants na 40 less pass half of di number of participants for 2019. How many more participants dey for 2019 pass 2020? <response>: ```Twice the number of participants in 2018 na 150 participants x 2 = 300 participants.
The number of participants in 2019 na 300 participants + 20 participants = 320 participants.
Half the number of participants in 2019 na 320 participants /2 = 160 participants.
The number of participants in 2020 na 160 participants - 40 participants = 120 participants.
There were 320 participants - 120 participants = 200 more participants in 2019 than in 2020.

The answer go be 200.``` 