Basic operations and concepts - math word problems - page 46 of 324

Number of problems found: 6464

Gasoline oil mixture
Gasoline will be mixed with oil. The recommended mixing ratio of oil and petrol is 1:50. We have 5 liters of gasoline in the canister. How many deciliters (dl) of oil must add to keep the recommended ratio?
Mom 6
Mom is throwing a party and buying cakes. Twice as many cakes for each adult as for each child. 1. What proportion of the cakes are for children if the number of adults at the party is twice as many as the number of children? 2. What proportion of the par
School attendance percentage
In 5A class today, there were four pupils, and in 5B, there were two pupils. What percentage of Fridays was in school if 21 pupils attend 5A and 5B is six pupils more?
Reward
Janko and Peter divided the reward from the brigade so that Peter got 5/8 of the reward. What percentage of Janko's reward got?
Marlon
Marlon drew a scale drawing of a summer camp. In real life, the sand volleyball court is 8 meters wide. It is 4 centimeters wide in the picture. What is the drawing's scale factor? Simplify your answer and write it as a ratio, using a colon.
The bakery
The bakery baked 325 cakes from 25kg flour. How many kilograms of flour do they need to bake 195 pieces of such cakes?
Sugar ratio change
Change ten packages of vanilla sugar, in a ratio of 3:2, in a ratio of 4:5, in a ratio of 2:3, in a ratio of 7:5
Vote percentage calculation
Pictured is a pie chart showing how the four mayoral candidates are doing after 80% of the vote has been counted. A candidate ID no can theoretically obtain the maximum percentage of votes. 3 after counting all the votes?
Magnitude of angle
What magnitude has an obtuse angle enclosed by the hands of clocks at 12:20 hours?
Ages
The father is 36 years old, and his daughter is four years old. Write down the ratio of the age of the father and daughter. In what ratio will the ages of father and daughter be after four years?
Age ratio
Janko is 14 years old. The age ratio of Janka and Zuzka is 2:3. What was the ratio seven years ago?
Rate 3
A liquid is heated at a rate of 5 degrees Celsius per minute. If the temperature now is at 39 degrees Celsius, how long will the temperature be by 94 degrees Celsius?
3/8 off
The shirt costs 38.95. If it has a discount tag for 3/8 off, how much will you pay? Round to the nearest cent.
The fastest
The fastest boat can reach speeds more than 710% as fast as the Queen Mary 2. How would you express this number as a fraction and as a decimal?
The gold coin
The gold coin contains 900 permille of pure gold. The coin weighs 950g. How much permille is gold? How many grams are gold?
A filter
It is a pool with a volume of 3500 liters. The filter filters at 4m cubics per hour. How many minutes would it filter the entire pool?
Cake ingredients
Does the yeast cake contain milk, yeast, sugar, and flour in a ratio of 20:4:1:15. What percentage of flour is in yeast?
Milk price calculation
Compared to last year, the milk price doubled in May this year and fell to half the increased price in October. Now, a liter of milk costs 50 cents. How many euros did 100 liters of milk last year?
The Chemistry test
The Chemistry test contained eight questions, each with 3 points. Peter scored 21 points. How many percent did Peter write a test?
Apple variete
This year, my uncle harvested 350 kg of apples, including 105 kilograms of Ontario and the rest of Jonathan's apples. Determine the percentage of the Jonathan apples.

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