If a number is doubled and then increasa30 the result is five less then three times number find the number
1 answer:
Answer:
8
Step-by-step explanation:
Let n represent the number.
2n+3 . . . . "doubled, then increased by 30"
3n -5 . . . . "five less than three times the number"
These two results are equal, so we have ...
2n +3 = 3n -5
8 = n . . . . . . . . . . add 5-2n
The number is 8.
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Answer:
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28
Step-by-step explanation:
you add 21, 4, and 3 to find the total
then you find how many are white or gray
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