A printer and monitor together cost $356$ . The monitor costs $20$ more than two times the printer. How much do the printer and monitor cost separately?

244

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243

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245

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250

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Solution

The correct option is A $244$
Let the cost of printer be $P$ and the cost of monitor be $M$
We have $P + M = 356$ , $M = 20 + 2 P$
By solving, we get $3 P + 20 = 356$ , which implies $P = 112$
Therefore $M = 356 - 112 = 244$

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A printer and monitor together cost 356. The monitor costs 20 more than two times the printer. How much do the printer and monitor cost separately?

The correct option is A 244Let the cost of printer be P and the cost of monitor be MWe have P+M=356 , M=20+2PBy solving, we get 3P+20=356, which implies P=112Therefore M=356−112=244

A printer and monitor together cost $356$ . The monitor costs $20$ more than two times the printer. How much do the printer and monitor cost separately?

The correct option is A $244$
Let the cost of printer be $P$ and the cost of monitor be $M$
We have $P + M = 356$ , $M = 20 + 2 P$
By solving, we get $3 P + 20 = 356$ , which implies $P = 112$
Therefore $M = 356 - 112 = 244$