2 years ago

3 more than a number t is greater than or equal to 21

Mathematics

1 answer:

natulia [17]2 years ago

3 0

The equation is saying $t+3\geq 21$ . We can use algebra to subtract 3 from both sides to create $t\geq 18$ .

Therefore, the value t is greater or equal to 18.

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See below

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Let the amount charged is y and number of hours is x.

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