There are 10 less trumpet players than saxophone players. the number of saxophone players is 3 times the number of trumpet players. how many trumpet players are there

Let +a+ = number of trumpet players Let +b+ = number of saxophone players (1) +a+=+b+-+10+ (2) +b+=+3a+ Substitute (2) into (1) (1) +a+=+3a+-+10+ (1) +2a+=+10+ (1) +a+=+5+ and (2) +b+=+3%2A5+ (2) +b+=+15+ There are 5 trumpet players and 15 saxophone players

Option ait states the correct answer