we can find the missing number by firstly finding the sum of digits of the given numbers and then subtract it from those multiple of 3, which are greater than this sum to get the smallest and greatest digits.
i) 6+7+2+4=19
multiples of 3 greater than 19 are 21,22,27,30
therefore, 21-19=2, 24-19=5, 27-19=8, 30-19=11
smallest digit=2 greatest digit=8
ii) 4+7+6+5+2=24
24 is a multiple of 3 so smallest digit is 0 greater than 24 are 27,30,33,36
First find the lbs per serving for the 25 servings. We do that by dividing 6 pounds by 25 serving. 6/25 = .24 lbs per serving. Now we need to times .24 by 30 to find out how many pounds of ground beef for 30 servings.
