The value of x is 5/6 and y is 8/5.
Step-by-step explanation:
Given,
12x+15y=34 Eqn 1
-6x+5y=3 Eqn 2
Multiplying Eqn 2 by 2
Adding Eqn 1 and 3
Dividing both sides by 25
Putting y= 8/5 in Eqn 1
Dividing both sides by 12
The value of x is 5/6 and y is 8/5.
Keywords: Linear equations, fractions
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Ok, so to increase 200 by 18%, you want to know how much is 1% of 200. So, in order to figure this out, you want to divide 200 by 100, to get 2. So, you know that 2 is 1% of 200. Now, to increase 200 b 18%, you will want to multiply 18 by 2, to get 26. So, the final answer is 236.
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OK...
If you know the volume of P and t and i.
Then Use this: r=P÷i÷t
I think you mean that, right?