Percentages and Financial Maths

Express 0.08% as a decimal.

Express 82L as a percentage of 90L

Find $52\frac{1}{2}$ % of $7500

Increase 620kg by 12%

Decrease $230 by 56%

Calculate the percentage increase from 36kg to 65kg to the nearest percent.

What is 100% of a quantity if 27% is 189?

The original price of a laptop is increased by 35% to $1146.15. What was the original price?

If 65% of a quantity is 572, what is 42% of the quantity?

Aryan and Ronash purchased a house in 2007 for $430 000. They sold it in 2013 for $572 000. Express the profit as a percentage of the purchase price.