Who can help me with this question for a brainliest :)))

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year the population of her town is changing by a constant rate

The transitive property of equality states that: o if a = b, then bra o if a = b, then ac = bc o if a = b and b= c, then a = if a = b and c= c, then a + b = b + c

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?