3 years ago

the cost (in dollars)of making u cell phones is represented by C=20u+61. How many cell phones are made when the cost is $481

Mathematics

1 answer:

Rasek [7]3 years ago

5 0

Answer:

U=21

Step-by-step explanation:

What they are asking for is U. They tell you that the cost is 481 so the C is 481

481=20u+61

You minus 61 from 481 which is 420.

420=20u

Then you divide 20 from 420 and you will get 21.

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