Respuesta :

3 gallons of soup at 50% has 6 quarts of broth.

.4x = 6
x = 15

To dilute 6 qts of broth to 40%, you would need 15qts total of soup. 3 gal is 12 qt, so you would need 3 more quarts of

You need to add 3qt of water.

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