I would need the equations
Answer:
0.58
Step-by-step explanation:
The first approach to solving the question above is to find the product of 0.3 and 0.4 thus:

Next step is to find the sum of 0.3 and 0.4 thus:

The final step is to find the difference between the two results. Thus:

Therefore, the product of 0.3 and 0.4 subtracted from the sum of 0.3 and 0.4 is 0.58
Answer:
CP of ring = 1200
profit % = 15%
Profit amount = 15% 0f 1200 = 180
SP = 1200 + 180 = 1380
The answer is: [D]: " <span>(1, 0, 0), (0, –2, 0), (0, 0, 6) " .
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