3 years ago

Thirty decreased by three times a number is six less than

Mathematics

1 answer:

Lerok [7]3 years ago

8 0

Answer:

Step-by-step explanation:

let the number be a

30-3a= -6

collect the like terms

30+6=3a

3a=36

a=12

The number is 12

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Likurg_2 [28]

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197/9= 21 8/9

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3 years ago

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Alex787 [66]

Answer:

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3 years ago

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seraphim [82]

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3 years ago

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Nutka1998 [239]

Answer:

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Step-by-step explanation:

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3 years ago

the average cost of gas per gallon last year was $2.649. This year, the average cost of gas per gallon is $2.999. Find the perce

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