Respuesta :

Answer:

25 Percent Increase

Step-by-step explanation:

Mark brainliest ;)

alanaaphaivongs

Answer:

20% increase

Step-by-step explanation:

1- New number-original number

2- number increased divided by new number then multiply by 100

15-12= 3

3 divided by 15= 0.2

0.2 times 100= 20%