Jagjit and Surjit have three children. The sum of the weights of the two smallest children is 71 kg. The sum of the weights of two largest children is 96 kg and the sum of the weights of the smallest and largest child is 87 kg. What is the sum of the weights of all three children’s.

Percentages are numbers or ratios that are expressed as a fraction of 100. Percentages are often represented by the percent sign, %.  Here are some ways to calculate percentages: To find a percentage of a number: Multiply the number by the decimal form of the percentage. For example, to find 30% of 40, multiply (30/100)(40) = 0.3 x 40 = 12. To convert a decimal to a percentage: Multiply the decimal by 100. For example, .87 x 100 = 87%. To calculate a percentage: Use the formula Percentage = (Value/Total Value) x 100. For example, if there are 10 dogs in a group of 40 animals, the... Show more

Percentages are numbers or ratios that are expressed as a fraction of 100.

Percentages are often represented by the percent sign, %. 

Here are some ways to calculate percentages:
To find a percentage of a number: Multiply the number by the decimal form of the percentage. For example, to find 30% of 40, multiply (30/100)(40) = 0.3 x 40 = 12.
To convert a decimal to a percentage: Multiply the decimal by 100. For example, .87 x 100 = 87%.
To calculate a percentage: Use the formula Percentage = (Value/Total Value) x 100.

For example, if there are 10 dogs in a group of 40 animals, the percentage of dogs is: Percentage of dogs = 10/40 x 100 = 25%.
 

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