Siamone has $65.32 + DAN Dan has CARLY - $37.50 CARLY = $127.75 Plug Carly into Dan's equation... $127.75 - $37.50 = $90.20 DAN = $90.20 Plug Dan into Siamone's equation $65.32 + $90.20 = $155.57
The opposite of prime numbers are composite numbers. A composite number is a positive natural l number that has at least one positive divisor other than one or itself. The number 1 is not a prime number by definition - it has only one divisor.