If Mr. Smith had 4 daughter each daughter had a brother how many kids mr. smith have?

Mrs. Smith would have 8 kids.

Step-by-step explanation:

if you had 1 brother for each sister, then you would have to calculate 2 for each 1 which is the same .thing as saying 4 times 2 which is 8    

addition

step-by-step explanation:

85.3-64 = 21.3

so laura has already added 85.3 grams of chocolate powder and she has gone over the amount specified in the recipe by 21.3 grams

hope i ! have a great  day!