Answer:
16 + 2x
Step-by-step explanation:
Answer:891
Explanation:
1st term+common difference(desired term-1)
5+4(100-1)
9(100-1)
9•99
891
We are given that there are a total of 78 students. If we set the following variables:
Then, the sum of all of these must be 78, that is:
Since there are 15 in chemistry and physics and 47 in chemistry, we may replace that into the equation and we get:
Simplifying:
Now we solve for P by subtracting 62 on both sides:
Therefore, there are 16 students in physics
Answer:
x = 5
Step-by-step explanation:
25 = 6x - 5 (add 5 on both sides)
+5 +5
30 = 6x (divide by 6 on both sides)
5 = x
Hope this helps ya!!
Answer:
"You could add each number one by one in your head, and the total is your answer."