7x / 8 = 21
7x = 8*21
x = 24
Answer:
the answer is 6:8 or 9:12
Step-by-step explanation:
Do elimination
2x + y = 3
x - y = 3
Add these
3x = 6
X = 2
Plug in 2 for x
4(2) + 2y = 6
8 + 2y = 6
2y = -2
X = 2, y = -1
Answer:
2 to 1; 2:1
Step-by-step explanation:
There are two cups of water and one cup of rice. It's a two to one ratio.
Answer:
the value of the series;

C) 59
Step-by-step explanation:
Recall that;

Therefore, we can evaluate the series;

by summing the values of the series within that interval.
the values of the series are evaluated by substituting the corresponding values of k into the equation.

So, the value of the series;
