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Reika [66]
3 years ago
7

A number is increased by 30, and the

Mathematics
2 answers:
SIZIF [17.4K]3 years ago
5 0

Answer:

The number is 17

Step-by-step explanation:

Let the number be n.  Increasing this by 30 results in n + 30.  Tripling this result results in 3(n + 30) = 141.

Multiplying as indicated:  3n + 90 = 141, or

                                            3n = 51

Solving for n, we get n = 51/3 = 17

Novosadov [1.4K]3 years ago
4 0

Answer:

The original number is 17.

Step-by-step explanation:

3(x+30)=141\\\\\frac{3(x+30)}{3}=\frac{141}{3}\\\\x+30=47\\\\x+30-30=47-30\\\\x=17

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