1 The metal used to make a coin is a mixture of steel and copper. The ratio mass of steel : mass of copper is 108 :7. The coin has a total mass of 230 milligrams.
Calculate the mass of copper in this coin.
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Let,

Given,

That means,

⇛ Total mass of the coin = 230 mg

⇛ 115x = 230 mg

⇛ x = 230 mg/115

⇛ x = 2 mg

Then,

☁️ ANSWER - 14 mg (Mass of copper)

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answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

answer: i don't understand it

step-by-step explanation: sorry