45 because 270 + 45 =315 . So 360-315= 45
12 because you multiply each side by six
Answer:
10-u
Step-by-step explanation:
The cost of 1kg of coal mined from the ore is $0.0397
Data;
<h3>The Cost of 1kg of Coal</h3>
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
Learn more on proportions here;
brainly.com/question/870035
True...
the longer the coffee sits the cooler it will be
false ,, the length of time is independent