Respuesta :

masonbrunson2023

Answer:

400

Step-by-step explanation:

so from 100% you increased it by 30% to become 520

130%=540

percent means parts out of 100

130%=130/100=1.3

1.3 of whole=520

divide both sides by 1.3

whole=400

the number was 400

Otras preguntas