Direct proportionality - math word problems - page 32 of 38
Number of problems found: 741
- Car model
A car model is 52 mm long, and the real car is 4,524 mm long. What is the scale of the model? - Map scale
The garden's plan shows a scale of 1:150, a width of 22 cm, and a length of 35 cm. What is its real area? - Image scale
The actual image dimensions are 60 cm x 80 cm and have a reduced size of 3 cm x 4 cm. At what scale was the image reduced? - Ratio - rectangle
The rectangle has dimensions of 6 cm and 9 cm. If its dimensions are increased in the ratio 5:3, how many times does its area increase, and how many times does its perimeter increase? - Scale of the map
Determine the map's scale, on which an actual distance of 120 km is represented by a segment 6 cm long. - Rectangle - desc circle
The length of the sides of the rectangle is at a ratio of 1:3. The circle's radius circumscribed to the rectangle is 10 cm. Calculate the rectangle's perimeter. - Cows
Four cows spent 16 bags of hay in 5 days. How many bags of hay sacks are needed for five cows for seven days? - Runners
Thirty chocolates are prepared and distributed in the ratio of 3:2:1 for three runners (in first to third place). How much chocolate will get everyone? - Apples
Mr. Smith brought 48 kg of his own apples to the market, along with 40 kg from Mr. Brown and 72 kg from Mr. Novak. They earned a total of 1,920 CZK. How should the income be divided among them? - String
Divide the string length 800 cm in ratio 1: 5 - Bath salts
Bath salt A weighs 900 grams and costs 36,40 CZK. Bath salt B weighs 1000 grams but costs 85 CZK. How much is a bath salt A cheaper than B salt? - Masons
One bricklayer lays 30.8 m² of masonry in 8 hours. How long will it take four bricklayers to lay 178 m²? - Direct ratios
Examples of direct ratios from the given report topics: Number of workers Number of products Time per product Number of working hours Amount of earnings - Troops - soldiers
Food stocks will last 20 soldiers during the four-day training. If four soldiers become sick, how many days could they extend training? - Pumps 3
Two pumps of the same power fill the garden pool for 10 hours. How many of these pumps would we have to use if we want to shorten the filling of the pool to four hours? - Supermarket cashiers
When only two checkouts are open in a supermarket, people wait in line for an average of 12 minutes. If three more ticket offices are opened, how much will the average waiting time in line be reduced? - Hurry - rush
I will travel from the school to the bus stop at an average speed of 7 km/h for 24 minutes. How fast do I need to go if I need to get there in 17 minutes? - Floating floor
In the new building, a floating floor worker is considered in each room. Thirty minutes lay 9 m² of the floor. How long did three workers lay the floor in four rooms with a total area of 90 m²? - Peppers
In the box are yellow (a), green (b), and red (c) peppers. Their amount is in a ratio of 2:4:1. Most are yellow peppers and green the least. Calculate the peppers for each type if the total number is 182. - Liters od milk
The cylinder-shaped container contains 80 liters of milk. The milk level is 45 cm. How much milk will be in the container if the level rises to a height of 72 cm?
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