In three hours Miguel drew 2 cartoon cells . And since he keeps drawing at the same rate, therefore,
in one hour Miguel drew (2/3) cartoon cells .
Hence in 9 hours, Miguel drew (2/3)* 9 = 18/3=6 cartoon cells .
So the answer of the given question is 6 cartoon cells .
The first solution contributes 0.78*1 = 0.78 L of acid.
The second contributes 0.64*6 = 3.84 L of acid.
There will be 7 L total of the new solution, and 3.84 + 0.78 = 4.62 total L of acid in it. So the new solution has a concentration of 4.62/7 = 0.66, or about 66%.
Answer:
=
Step-by-step explanation:
$3.50 being the amount the item <em>t</em> costs and <em>t</em> being the number of this item.
-2n-24=-8(2n-4)
Multiply both sides by -1
2n+24=8(2n-4)
Distribute the right side
2n+24=16n-32
Subtract 2n from both sides
24=14n-32
Add 32 to both sides
56=14n
Divide 14 from both sides
n=4
