Math
3x - 5 = 10
What is the value of x?
x = 5
What is interest?
The cost of borrowing money or the reward for lending it, usually shown as a percentage.
You have $100. You spend half of it on groceries, then half of what’s left on snacks. How much money do you have left?
$25
A store sells an item for $40 after a 20% discount. What was the original price?
$50
What is 20% of 380?
76
What is deflation?
Deflation is when prices drop across the economy, meaning your money becomes more valuable because it can buy more stuff.
A store offers “Buy 2, get 1 free” on $30 items. How much do you pay if you buy 3 items?
$60
What is a stock market?
This is the place where people buy and sell stocks. Think of it like a giant supermarket… but for companies.
A number increases by 40% and then decreases by 20%. If the original number was 200, what is the final value?
224
What is mortage?
A long-term loan used to buy property where the property serves as collateral.
You spend 70% of your income and save the rest. Next month, your income doubles. How much more do you save?
Double of your previous savings.
What is a shareholder?
If you own a tiny piece of a company, like Apple or Tesla, you’re called this.
x = 2,5 and -1
What is Liability?
Money you owe (loans, debts, payments).
You invest $200 in a fund that grows 10% the first year and 20% the second year. What is your total after 2 years?
$264
If you invest $1,000 at 5% simple annual interest for 3 years, how much interest do you earn?
$150
A laptop is originally $1,000. During a sale, it’s discounted with 15%. Then you get an extra 5% off. What’s the final price?
$807.5
What is Liquidity?
Liquidity is how quickly and easily you can turn something into cash without losing value.
Cash is super liquid, a house is not.
A business sells a product for $50, costs $30 per unit to make, and has a fixed rent of $100. How many units must it sell to cover all costs?
At least 5 units
A company makes $100 profit per product. If fixed costs are $1200 and variable costs are $50 per product, how many products must they sell to reach at least $2000 net profit?
34 products