Machines
A delivery truck travels 250 kilometers and uses 20 liters of fuel per 100 kilometers. How much fuel will it need for the 250 km trip?
50 litres
You are baking a cake that requires 3 eggs for 2 batches. How many eggs do you need for 5 batches?
7.5 eggs (rounded to 8)
A toy costs $20, and there is a 10% sales tax. How much will the toy cost after tax?
A drone can travel at a speed of 60 km/h. If the drone flies for 2.5 hours, how far will it travel?
150 kilometers
A garden bed is 6 meters long and 4 meters wide. How much area does the garden cover?
24 square metres
You buy 5 shirts for $18 each and 3 pairs of pants for $35 each. How much does the total purchase cost?
Elon Musk’s rocket uses 4,000 liters of fuel to launch and reaches a height of 200 kilometers. If the rocket needs 500 liters per hour to stay in orbit, how much time can it spend in orbit before returning to Earth?
2.4 hours
A recipe calls for 1.5 cups of sugar for 3 servings. How many cups of sugar will you need for 10 servings?
5 cups
A jacket is on sale for 30% off. If the jacket originally costs $150, how much will it cost after the discount?
$105
A car rental costs $35 per day and charges $0.15 per kilometer driven. If you rent a car for 5 days and drive 180 kilometers, how much will the total cost be?
$202
Sarah is watering her garden. If the garden is 10 meters by 5 meters, and she uses 1.2 liters of water per square meter, how much water will she need to water the entire garden?
60 litres
You want to buy a tablet that costs $450. If you save $75 per month, how many months will it take to save enough money?
6 months
A rocket weighing 1,200,000 kg needs to travel from Earth to Mars, a distance of 500 million kilometers. The rocket consumes 500 liters of fuel per 100 kilometers. How much fuel will it need for the entire journey, and how many refueling stops will be required if each stop can refuel 50,000 liters?
50,000 stops
A greenhouse requires 250 liters of water per week for 5 days of operation. If the water usage increases by 10% each week, how much water will the greenhouse use after 4 weeks?
1160.25 litres
You are budgeting for a vacation. Your total trip cost is $3,500, and you need to save for 8 months. If you want to save 20% more than the original amount to account for unexpected costs, how much money will you need to save each month?
$525 per month