Ratio + multiplication - practice problems - page 4 of 6
Number of problems found: 104
- Ratio - proportion
Reduce the number 16 in proportion 3:2 5:4 11:8 - Five-crowns 4655
Martin has metal coins saved up in the cash box. Crowns, two-crowns, and five-crowns. The ratio of crowns to five-crowns is 7:4, and five-crowns to two-crowns is 2:9. What is the ratio of crowns and double crowns? - Change the numbers in the ratio
Change the numbers 29, 38, and 43 in a 3:4 ratio. - Equals 3812
What is the ratio of 28:2^-5 equal?
- Different 3190
Write the ratio in 5 different ways: 4:12 - Distance 2877
On a map with a scale of 1:50,000, we measured the distance of places AB = 136 mm. The actual distance between cities A and B is: - Dimensions 2761
The model aircraft is made on a scale of 1: 250. Length is 200mm, wingspan 200mm. Find the dimensions of the actual aircraft. - Euros
Michal, Peter, John, and Lenka got together 2,400 euros. Do they share an amount in a ratio of 2:6:4:3. How many got each of them? - Ratios
Divide: a) 250 CZK in the ratio of 2:3 b) 1000 CZK in the ratio 4:7:9
- Dairy
Diary workers calculated according to the standards from the 108 liters of milk can produce 9 kg of cheese. According to norms, how many tons of cheese could be made from milk from 100 cows devoted for 30 days with an average daily milk yield of 10 liters - Pumps
Six pump fills the tank for three and a half days. How long will fill the tank with seven equally powerful pumps? - Hockey match
The hockey match ended with a result of 3:1. How many different storylines may the match have? - Pennies
Eight hundred pennies have the same value as 100 ducats. One hundred pennies have the same value as 250 tolars. How many ducats have the same value as 100 tolars? - The horses
A couple of horses consume 88 kg of oats for 14 days. How many oats consumed seven horses at the same consumption for six days?
- Ratio
Unfold number 1963 in the ratio 9:2:2. - Similarity coefficient
The similarity ratio of two equilateral triangles is 4.3 (i.e., 43:10). The length of the side of the smaller triangle is 7.5 cm. Calculate the perimeter and area of the larger triangle. - Cyclist
A cyclist passes 64 km in 4 hours. How many kilometers did he pass in 7 hours? - Medicament
Many manufacturers produce the same type of medicament in various packages with different content of active substances. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 31.5 Eur. Pack 2: includes 100 tablets of 1200 mg of active subst - Efficiency of rail
With subsidies, is business easy? Calculate how much must cost a rail ticket (x) in today's ticket price € 11 and if the government did not subsidize the trains if it is known that it would cost three times today's ticket without subsidies. Calculate the
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