Answer:
4km
Step-by-step explanation:
x
Answer:
The value of x would be
or 
Step-by-step explanation:
Given,
x tons of 10% gravel G mixture is mixed with y ton of 2% gravel G to obtain 5% gravel mixture,
Thus, gravel G in x ton + gravel in y ton = gravel G in the resultant mixture,
⇒ 0.1x + 0.02y = 0.05(x+y),
0.1x - 0.05x = 0.05y - 0.02y
0.05x = 0.03y

Now, resultant mixture is z ton,
i.e. 

From equation (1),




The answer is the first question: What was the best-selling single in 2018?
Answer:
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Step-by-step explanation:
The SI unit of work is Joule.
Further more explanation:
▪️
⇒Work done by a force acting on a body is defined as the product of force and displacement of the body in the direction of the force.
▪️
⇒The system of units which is agreed by the international convention of scientists held in France in 1960 is called SI unit.
▪️
⇒One joule is the amount of work done when one Newton force displaces a body through one metre in its own direction.
Hope I helped!
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