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grandymaker [24]
3 years ago
7

Compute the percentage of increase from 30 to 42

Mathematics
2 answers:
Kaylis [27]3 years ago
8 0

Answer:

40%

Step-by-step explanation:

Rom4ik [11]3 years ago
3 0

Answer:

40% increase

Step-by-step explanation:

(New - Original) ÷ (Original) = Percentage Change

(42 - 30) ÷ 30 = 40%

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4 years ago
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Shtirlitz [24]

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6 0
3 years ago
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SHAYNA FREEL PLANS TO BUY $17.45 WORTH OF STATIONERY SUPPLIES. IF THE SALES TAX IS 13%, HOW MUCH WILL SHAYNA PAY?
Rainbow [258]

9514 1404 393

Answer:

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Step-by-step explanation:

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7 0
3 years ago
The ages of two brothers are in the ratio two to three, but in eight years, the ratio of their ages will be three to four. What
Darina [25.2K]
X = older brother
y = younger brother 

Equation 1: x/y = 2/3 ⇒ x = 2y/3
Equation 2: x + 8/y + 8 = 3/4

( \frac{2y}{3} + 8) / y +8 =  \frac{3}{4}
(2y + 24)/3 = y + 8 =  \frac{3}{4}
2y + 24 = 3 (y + 8) =  \frac{3}{4}
2y + 24 = 3y + 24 =  \frac{3}{4}
4 (2y + 24) = 3 (3y + 24)
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y = 24

The age of the older brother is 24.

x =  \frac{2y}{3} = \frac{2*24}{3}
x =  \frac{48}{3}
x = 16

The age of the youngest brother is 16.
5 0
4 years ago
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Degger [83]

Answer:

I think 6464

Step-by-step explanation:

I wish you luck on this assignment:P:D

6 0
3 years ago
Read 2 more answers
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