9 grams is 9000 milligrams.
Answer:
$140
Step-by-step explanation:
1 meal --- $15
8 meals --- $15 × 8 = $120
Total = $120 + $20
= $140
The fraction 12/16 has the same .75 value as the fraction 3/4
Answer:
im so sorry but i need to finish my challenge
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
We can add 1 to both sides of the second equation and divide by 2 to get
x = (y-1)/2
We can then substitute x in the first equation to get
(y-1)/2 + 7 = 2y
Multiply by 2
y-1 + 14 = 2y
Subtract y and combine like terms
y = 13