Answer:
Step-by-step explanation:
Remark
You can do this with just 1 unknown.
John = x
Tom = 2x
Solution
x + 2x = 27 Combine the left
3x = 27 Divide by 3
3x/3 = 27/3
x = 9
Conclusion
John invited 9
Tom invited 18
Steve has 30 cards if you add 39 and 51 in the divided by three you will get 30 which is the amount of cards Steve has
Answer:
x+6
Step-by-step explanation:
5x-3(x-2)-x
Distribute the -3
5x -3x +6 -x
Combine like terms
5x -3x -x +6
x+6
Answer:
a) 83
b) mean and mode are both 83
Step-by-step explanation:
a) mean is the average. so add all the numbers and divide by the number of numbers.
<u>88 + 73 + 81 + 83 + 79 + 94 + T</u> = 83
7
b) median - put the numbers in numerical order, smallest to largest, what is the middle number (4th number) 73, 79, 81, 83, 83, 88, 94
mode - which number shows up most frequently?
