Answer: 810
<u>Step-by-step explanation:</u>
There are 10 numbers to choose from. Since the 2nd digit and 3rd digit cannot repeat the number before it, they only have 9 numbers to choose from.
1st digit and 2nd digit and 3rd digit
10 choices x 9 choices x 9 choices = 810
If there are 8 marbles in a group , and 5 out of every 8 is red, than in six groups there would be 5, 10, 15, 20, 25, 30 red marbles.
This lists the group of 6 sets.
30 red marbles in 6 sets.
20/2= 10
John makes 10 dollars an hour.
50/4= 12.5
Sally makes 12.50 dollars an hour.
Sally makes more than John.
I hope this helps!
~kaikers
Answer:
x = 7
Step-by-step explanation:
move all terms that don't contain x to the right side and solve :)
