20 dollars = veinte dolares (BAINtay DOLE-ar-ess)
'on pump 3' is difficult to translate without more context. Is it a kind of bet?
What kind of pump? Why 'pump 3'?
Literally: 'en la bomba tres' (enn lah BOMbah tress); but as stated, it could be different, according to context.
You could say "¿puedo tener 20 dólares?", but it may be better to say "¿puedes darme 20 dólares?"
Depending on the condition; lets just say its in perfect condition Id say from a personal stand point, anywhere from 400-800 dollars
"Je peux avoir vingt dollars?"
20-30 US Dollars
Veinte/cien
doble veinte
Juguemos 20 preguntas!
75-150 US Dollars
"20 de abril"
It means years. For example if you want to say 20 years old you say 20 años.
Cumplo años el 20 de septiembre.
Deme / denme / dame / dadme 20 (veinte)