Respuesta :
He has 415 to spend on a trip
25 for gas
415-25=390
He must spend 100 each day
390≤100d
3.9≤d
He cannot have part of a day so he can only spend 3 days
Solution: d=3
25 for gas
415-25=390
He must spend 100 each day
390≤100d
3.9≤d
He cannot have part of a day so he can only spend 3 days
Solution: d=3