The amount of money in Mr Tan’s wallet decreased by 25% to $450 after he bought a watch. Later, he bought some clothes and his money decreased further by 30%.a)How much money was there in Mr Tan’s wallet at first?b)How much money was left in the end?
Question
The amount of money in Mr Tan’s wallet decreased by 25% to $450 after he bought a watch. Later, he bought some clothes and his money decreased further by 30%.a)How much money was there in Mr Tan’s wallet at first?b)How much money was left in the end?
Solution
a) To find out how much money Mr. Tan had in his wallet at first, we need to understand that the $450 is 75% of the original amount (because it decreased by 25%). We can set up the equation:
0.75X = $450
To solve for X (the original amount), we divide both sides of the equation by 0.75:
X = 600
So, Mr. Tan had $600 in his wallet at first.
b) After buying some clothes, Mr. Tan's money decreased by a further 30%. This means he has 70% of 450 by 0.70:
315
So, Mr. Tan had $315 left in the end.
Similar Questions
Mr Tan bought a television set for his parents with 40% of his salary. He saved 70% of the remaining money in bank and had $162 left. How much did Mr Tan have at first?
Mr Ang bought a television set for his parents with 50% of his salary. He saved 60% of the remaining money in bank and had $180 left. How much did Mr Ang have at first?
Sally bought a dress, a shirt and a wallet at a sale. She could have bought one more similar dress if she did not buy the shirt and the wallet. 3-5 of the price of the dress was equivalent to twice the price of the wallet. (a) What was the ratio of the price of the dress to the price of the shirt to the price of the wallet? (b) If the shirt cost $32 more than the wallet, how much did the dress cost?
Barry has a budget of $75. Barry spent $30 on the cable bill, $25 on groceries, and $5 on doing laundry. How much money does Barry have left in his budget?
Mr Ali would make a profit of 59% if he sells his watch at $4611. Find out how much profit he would get if he sold his watch at $5000.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.