Question 8
Jack’s salary in June was 4000 dollars. He spent 40% of his salary on rent, 15% on transport, 20% on food and saved the rest. In July his salary was increased. The amount of money he spent on rent and transport for July remained the same. However, he spent 400 dollars more on food. If Jack saved the remaining 20% of his salary in July, find the percentage increase in his salary.
Answer entry: the percentage number only, using a decimal point if needed; omit the % sign.
Answer entry: the percentage number only, using a decimal point if needed; omit the % sign.