Direct proportionality - math word problems - page 18 of 38

Number of problems found: 741

Number ratio
Images of three numbers are marked on the number line: 0, m, 3m-1. The marked pieces are the same length. a) express the ratio m:(3m-1) b) mark and describe the image of the number 1 on the number line.
Container height
A cylindrical container with a bottom diameter of 30 cm and a height of 20 cm is filled with water. We want to pour the water into another cylindrical container with a bottom diameter of 15 cm. What minimum height must the second container have for the wa
Ratio of edges
The cuboid dimensions are in a ratio of 3:1:2. The body diagonal has a length of 28 cm. Find the volume of a cuboid.
Cylinder melted into cuboid
A circular cylinder has an area of cross-section of 56 cm², and the height is 10cm. The cylinder is melted into a cuboid with a base area of 16 cm². What is the height of the cuboid?
Reducing scale
I am sizing some landscaping, and I measured everything on a 20 to 1 scale. I realized when I was done that it was at 30 to 1. How can I convert what I already have to 30 to 1. For example, if the grass area is 22,871.6' at 20 to 1, how do you figure it o
Michal
Michal has 2.90 per hour. How much does he earn during the week of the summer job?
Warehouse shipping
Five part-timers ship all goods from the warehouse in 12 days. Calculate how long it would take to bring twice as many goods out of the warehouse to part-timers if their number increased by 140%.
Dividing a Segment
Split section AB length 14cm in the ratio 5:6
Ratio of sides 2
The ratio of the side lengths of one square to another is 1:2. Find the ratio of the area of the two squares.
Recipe Ingredients for Servings
According to the recipe, 0.8 kg of rice, 0.65 kg of meat, 300 g of carrots, 60 g of peas, 50 g of fat, and 10 g of salt are used to prepare 10 portions of dietary risotto. What weight of these types of food will need to be used to prepare 15 servings of r
Apple juice
From 7 kg of apples, we get 3 liters of apple juice. How many liters of juice do we get from 42 kilograms of apples?
Two brothers
The two brothers were to be divided according to the will of land at an area of 1ha 86a 30 m² in a ratio of 5:4. How many will everyone get?
Triangle arm
Two isosceles triangles have the same angle at the apex concerning the base. One has a 17 cm long arm and a 10 cm long base. The second has a base length of 8 cm. Determine the length of his arm.
Map Scale Aerial Distance
On the map, at a scale of 1:1100000, the aerial distance between Martin and Brezno measures 5.5 cm. Calculate the aerial distance covered by the helicopter when it flies from Martin to Brezno and back.
Fruit harvest
Five workers harvested fruit in 150 hours. How many temporary workers have to work to harvest fruit in 250 hours?
Velocity calculation
Calculate the unknown velocity x if: 24 km/h. ... . .. .20 min x km/h. ... . .. .12 min
Coin Total Value Euros
We have one-euro and two-euro coins. There are 12 two-euro and 6:2 one-euro ones. How many euros do we have together?
On the map
A line 1.5 cm long corresponds to a line 3 cm long on the map. What is the scale of the map?
Building
We divided 240 boards into two piles in a 5:3 ratio at the building. How many were fewer boards in the lower pile?
Shadow of tree
Martin stands under a tree and watches its shadow and shadow of the tree. Martin is 180 cm tall, and its shade is 1.5 m long. The tree's shadow is three times as long as Martin's shadow. How tall is the tree in meters?

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