Problem 1:
Leon has a baking mix. For every 100g of mix, he needs 1 egg and 30ml of water.
He uses 300g of mix. How much water does he need?
Solution:
- For every 100g of mix, 30ml of water are needed.
- So for 300g of mix, you need: 30ml/100g * 300g = 90ml of water.
Answer: Leon needs 90ml of water.
Problem 2:
A box contains 60 bananas.
Jacob has 3 boxes of bananas. He gives 28 bananas to his class.
How many bananas does he have left?
Solution:
- Jacob has 60 bananas/box * 3 boxes = 180 bananas.
- After giving away, he has left: 180 bananas - 28 bananas = 152 bananas.
Answer: Jacob has 152 bananas left.
Problem 3:
Arthur and Evan go to the Fun Fair. They both go on the Ferris wheel three times at 75 cents a ride.
How much did they spend in total?
Solution:
- Each person spends: 75 cents/ride * 3 rides = 225 cents.
- Two people spend: 225 cents/person * 2 people = 450 cents.
Answer: They spent 450 cents.
Problem 4:
A pineapple costs 17 cents.
How many pineapples can you buy with 5 dollars?
Solution:
- 5 dollars = 500 cents.
- You can buy: 500 cents / 17 cents/pineapple = 29 pineapples.
Answer: You can buy 29 pineapples.
Problem 5:
Grade 5 goes to the movies. Adult tickets cost $1.20. Children's tickets cost 50 cents.
What is the total cost for 20 children and 5 adults?
Solution:
- Cost for children's tickets: 20 children * 50 cents/child = $10.
- Cost for adult tickets: 5 adults * $1.20/adult = $6.
- Total cost: $10 + $6 = $16.
Answer: The total cost is $16.
Problem 6:
In a traffic survey, Class B counted 6 red cars and 16 white cars.
There are half as many blue cars as white cars. There are three times as many black cars as blue cars.
How many black cars passed by?
Solution:
- There are blue cars: 16 white cars / 2 = 8 cars.
- There are black cars: 8 blue cars * 3 = 24 cars.
Answer: There were 24 black cars that passed by.
