Math problems
A cake weighs 800 grams. If half of the cake has been eaten, how much of the cake remains?
400 grams
If a kilo of potatoes costs €2.50, how much do 500 grams of potatoes cost?
1.25
A car is priced at €10,000. If the customer pays €2,000 upfront and the remaining amount in 20 equal monthly payments, how much is each monthly payment?
400
A tree plantation has 1,000 trees. If one-tenth of the trees are cut down, how many trees are left on the plantation?
900
A bakery sells a loaf of bread for €4.50. If three-fifths of the loaf has been sold, how much is left?
1.80
A bicycle race is 60 kilometers long. If cyclist A has covered three-fifths of the route, how many kilometers has cyclist A completed?
36 kilometers
A person walks 5/8 of a mile every day. How many miles will the person walk in 30 days?
18.75 miles
A car travels 180 kilometers in 3 hours. How long will it take for the car to travel 420 kilometers at the same speed?
7 hours
A school has 600 students. Three-fifths of the students are boys, and the rest are girls. If 25% of the boys and 40% of the girls are absent, how many students are present?
414 students
A factory produces 2,400 units of a product each day. If 15% of the units produced are defective, how many units are non-defective over a 10-day period?
20,400 units