18. Make the values have the same denominators.
4 2/3(8/8)= 112/24
5 3/8 (3/3)= 129/24
Add the values
112/24+129/24= 241/24
Simplify the answer
241/24= 10 1/24
The answer for question 10 1/24 ounces.
20. Multiply 1 1/4 by 5. (There are 5 days from Monday through Friday)
1.25(5)= 6 1/4
The answer to question 20 is 6 1/4.
Hope this helps!
3x - 10x = 14
-7x = 14
x = -2
c = cost
h = # of half-dozens ordered
c = $8.50h + $1 is the correct answer.
You made 3/20 of the 400 cards, which is 60 cards.