Answer:
c
Step-by-step explanation:
X is the amount of groups
y is the amount of people
42- 3x = 30
x (8) = y
42 - 3x = 30
-42 -42
-3x = -12
divide by -3
x = 4, there were 4 groups of 8, substitute the 4 into the other equation
4×8 = 32
y = 32 , There are 32 people in Marcos group
sorry, it's the best I could do.
Potatoes cost $1.20 / kg. If you buy 0.8 kg, how much are the potatoes? (Answer $0.96)
Answer:
18
Step-by-step explanation:
25 + 11 = 36
36/2 = 18
hope this helps
Answer:
C. (10, –7) and (2, –7)
Step-by-step explanation:
I did the same question