Question

real world decimal problems with addition and subtraction 

Answer 1

Here are some real-world decimal problems involving addition and subtraction:

### Problem 1: Shopping Budget
Jessica has a budget of $150 for groceries. She spends $34.75 on fruits, $22.40 on vegetables, and $18.99 on dairy products. How much money does she have left after her grocery shopping?

**Solution:**
1. Calculate the total spent.
- Total spent = $34.75 + $22.40 + $18.99
- Total spent = $76.14

2. Subtract the total spent from the budget.
- Amount left = $150 - $76.14
- Amount left = $73.86

### Problem 2: Fuel Costs
Mark drove his car for a road trip and spent $58.45 on gas on the way there and $72.30 on the way back. How much did he spend in total on gas?

**Solution:**
1. Add the gas expenses.
- Total gas cost = $58.45 + $72.30
- Total gas cost = $130.75

### Problem 3: Temperature Changes
In a city, the temperature was recorded at 23.4 degrees Celsius in the morning and dropped to 15.6 degrees Celsius by evening. How much did the temperature decrease?

**Solution:**
1. Subtract the evening temperature from the morning temperature.
- Temperature decrease = 23.4 - 15.6
- Temperature decrease = 7.8 degrees Celsius

### Problem 4: Monthly Expenses
Emily keeps track of her monthly expenses. This month, she spent $120.50 on rent, $45.75 on utilities, and $30.60 on groceries. How much did she spend in total this month?

**Solution:**
1. Add the expenses.
- Total expenses = $120.50 + $45.75 + $30.60
- Total expenses = $196.85

### Problem 5: Bank Account Balance
Tom had $250.50 in his bank account. He deposited $150.75 and then withdrew $89.20. What is his current balance?

**Solution:**
1. First, add the deposit to the initial balance.
- New balance after deposit = $250.50 + $150.75
- New balance = $401.25

2. Then subtract the withdrawal.
- Current balance = $401.25 - $89.20
- Current balance = $312.05

These problems illustrate practical applications of addition and subtraction with decimals in everyday situations!