Ratio - math word problems - page 72 of 74
Ratio problems are word problems that use ratios to relate the different items in the question. On solving problems and tasks proportionally, we recommend a hint rule of three. Rule of three (proportionality) helps solve examples of direct and inverse proportionality. Three members make it possible to calculate the fourth - unknown member.Number of problems found: 1479
- Potatoes
Potatoes contain 77% starch. How many potatoes need to obtain 61.2 kg of starch? - Map
Forest has an area of 36 ha. How much area is occupied by forest on the map at scale 1:500? - Inflation
What is better for people (employees)? ... - Pipeline
How much percent has changed (reduced) the pipe cross-section area if the circular shape changed to square with the same perimeter?
- Money
Everyone complains about the lack of money. There is no shortage of money but a relative scarcity of goods and things people buy for the money. Calculate what percentage of the price of all goods and services immediately rose if everyone has the day-to-da - Pumps
The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than the second one. How many minutes is filled with the first pump? - Center traverse
Does the middle traverse indeed bisect the triangle? - Ratio v2
Decrease in the ratio 12:16 number 13.2. - Ratio
Increase the number 25.6 in the ratio 7:4.
- Pipes
The water pipe has a cross-section 1184 cm². An hour has passed 743 m³ of water. How much water flows through the pipe with cross-section 300 cm² per 6 hours if water flows at the same speed? - Gear wheels
Two gear wheels, which fit together, have the number of teeth z1=117 and z2=70. Calculate the speed of the first wheel if the second wheel rotates 582 revolutions per minute. - Minute angle
Find the size of the angle, which takes a minute hand for 20 minutes. - Tree trunk
Calculate the average tree trunk with a circumference of 192 cm. - Train
The train passes part of the line for 95 minutes at a speed of 75 km/h. What speed would you have to go to shorten the driving time of 20 minutes?
- Sphere cuts
At what distance from the center intersects the sphere with radius R = 91 plane if the cut area and area of the main sphere circle are in ratio 3/6? - DIY press
Under the socialist regime, in some socialist countries, owning a typewriter required special permission. That has hindered the spread of DIY literature (manually transcribed through carbon copy paper for typewriters). Calculate how many typewriters today - Thrift woman
Calculate how long grandmother will save on new shoes priced 108 euros if she saves 3 Eur monthly. - Car range
Kia has an average diesel consumption of 5 liters per 100 kilometers. What is the range of the car for 135 euros if fuel costs 1.4 EUR/liter, if the tank has a volume of 51 liters? - Median
The median of the triangle NOP is away from vertex P 95 cm. Calculate the length of the median, which start at P.
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