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9966 [12]
3 years ago
9

What number increased by 15% equal 161

Mathematics
2 answers:
Reil [10]3 years ago
6 0

Answer:

\Large\boxed{140}

Step-by-step explanation:

\sf Let \ x \ be \ the \ number.

\sf x \ increased \ by \ 15\% \ is \ 161.

x \times (1+15\%)=161

x \times (1+0.15)=161

x \times (1.15)=161

\displaystyle \frac{x \times (1.15)}{1.15}=\frac{161}{1.15}

x=140

kkurt [141]3 years ago
4 0

Answer:

100%+15% = 115%

proportionally:

x - 100%

161 - 115%

x = (161 * 100%) / 115% = 140

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