Question

Change each of the following into a percentage. a)2.75 b)0.844 Write each of them as a decimal. a)9% b)7.8% Find the value of a)0.06% of 800 b)125% of 10 litres Write the percentage of a) 1-hour in 12 minutes? b)750 g in 125 g? Write each of the following as a percentage of a metre a)50 cm b)140 cm Write each of the following as a percentage of a kilogram a)65 g b)148 g

Answer 1

hope it is useful to u.....

Answer 2

Answer:

1. (a) Convert fraction (ratio) 2.75 / 100 Answer: 2.75%

1. (b) Multiply both numerator and denominator by 100. We do this to find an equivalent fraction having 100 as the denominator.

0.844 ×

100

100

= (0.844 × 100) ×

1

100

=

84.4

100

Write in percentage notation: 84.4%

2. (a) 0.09

2. (b) 7.8 / 100 = 0.078

3. (a) 0.48

3 . (b) 125/100 * 10 = 12.5 litres

4. (a) For converting hours to seconds multiply by 3600. 1 hour = 60 minutes = (60 x 60) seconds = 3600 seconds. Now, to find rate percent multiply by 100. Therefore, the rate percent = 2%.

sorry mate i just know these answers hope these r hlpful really so sorry