Question

3. Solve:
a. 2(x + 5) = 16
4. Convert each of the following to a percentage:
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Answer 1

Answer:

3. 2(x+5)=16

x+5=16/2

x+5=8

x=8-5

x=3

4. i) 3/20 ×100 = 3× 5 = 15%

ii) 6/25×100 = 6×4 = 24%

Answer 2

Step-by-step explanation:

3. a) 2(x + 5) = 16

2x + 10 = 16

2x = 6

x = 3

$4. \: a) \: \frac{3}{20} \\ precentge = \frac{3}{20} \times 100 \\ percentage = 3 \times 5\\ percentage = 15$

$4. \: b) \: \frac{6}{25} \\ precentge = \frac{6}{25} \times 100 \\ percentage = 3 \times 4\\ percentage = 24$

4. a) 15%

b) 24%

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