Respuesta :

wegnerkolmp2741o

Answer:

30

Step-by-step explanation:

Let c = the original number of crayons

3 are broken, which is 10 percent

c*10% = 3

Change to decimal form

c*.10 =3

Divide each side by .10

.10c/.10 = 3/.10

c =30

There are 30 crayons in the box