A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x
1 answer:
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The cost of 1kg of coal mined from the ore is $0.0397
Data;
- 1 ton = $35.99
- 1kg = ?
To find the cost of 1kg of coal, we can simply and equate 1 ton to its equivalent in ton and the solve.
let's write this and equate it
1 ton = $35.99
907kg = $35.99
1kg = x
Let's cross multiply both sides and solve for x
The cost of 1kg of coal is $0.0397
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