Multiply then add and then subtract
<span>Equation:
0.15x + 0.10(5-x) = 0.11*5
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Multiply thru by 100:
15x + 10*5 - 10x = 11*5
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5x = 5
x = 1 liter (amt. 15% oj needed)
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5-x = 4 liters (amt of 10% oj needed)
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16 Hours would be 112 and 40 hours would be 280
Answer:
x =5
Step-by-step explanation:
10x-15=35
We want to get x alone
Add 15 to each side
10x-15+15=35+15
10x = 50
Divide by 10
10x/10 = 50/10
x =5
