Answer:
24
Step-by-step explanation:
6x4=24 and 8x3=24
Answer:
72
Step-by-step explanation:
Stacy has 30 marbles
Let m= the number of marbles that mallory has
stacy has 1/2 m -6
30 = 1/2 m -6
Add 6 to each side
30+6 = 1/2m
36 = 1/2m
Multiply each side by 2
72 = m
Mallory has 72 marbles
Let 
be the amount of food needed for one man for one day. At the beginning, we have enough food for 400 men for 40 days, i.e.
After 10 days, the 400 men will have consumed
food, impliying that the food remaining is
If 200 more men join the garrison, there are now 600 men. Each of them requires food each day, and there are 
units of food remaining. They will last
days.
-5(a + 3) = -55
(a + 3)(-5) = -55
(a + 3) (-5)/-5 = -55/ (-5)
a + 3 = 11
a + 3 (-3) = 11 (-3)
a = 8
hope this helps
Answer:
Step-by-step explanation:
