# Examples for 7th grade (seventh)

1. Divide 5
Divide 288 in the following ratio 3 : 4 : 5
2. Caleb
Caleb is making lemonade for a party. He has 5 gallons of lemonade. He is putting 1/3 cubic inch of lemonade in a cup for each guest. How many guests are going to be at the party?
3. Melting point
The melting point of mercury is -36°F and its boiling point is 672°F. What is the difference between the boiling point and the melting point?
4. Find unknown
Find unknown numerator: 4/8 + _/8 = 1
5. Cupcakes 2
Susi has 25 cupcakes. She gives 4/5. How much does she have left?
6. If the 2
If the temperature is 86 degrees in Fahrenheit, what is the same temperature in Celsius?
7. 8 degrees
8 degrees Celsius it cools down by 9 degrees Celsius. What is the resultant temperature?
8. Gasoline price
At 34.4 cents per liter, how much will 42 liters of gasoline cost?
9. Feet to miles
A student runs 2640 feet. If the student runs an additional 7920 feet, how many total miles does the student run?
10. Noontime
In the morning temperature was 110°F. By noontime it has gone up by 15°F. What was the noon temperature. (Give your answer in °F)
11. Recipe
A recipe requires 2 pounds of flour. If a chef wants to triple the recipe, how many ounces of flour will be needed?
12. A cylindrical tank
A cylindrical tank can hold 44 cubic meters of water. If the radius of the tank is 3.5 meters, how high is the tank?
13. Rectangle 45
The perimeter of a rectangle is 60cm. If the length of the rectangle is 20cm. a)find the width b)find the area.
14. The cyclist
The cyclist drove from A to B, 60 km away. The first half drove at 30km/h, the second at 20km/h. How long did it take for him?
15. Allan
Allan keeps tropical fish. His aquarium is 4 feet long, 1 foot wide, and 2 feet tall. Each fish needs at least 0.5ft³ of water. What is the maximum number of fish that he can keep in the aquarium? Please show your solution. Please
16. Area to volume
If the surface area of a cube is 486, find its volume.
17. Sugar production
From 1 ton of beet, 150 kg of sugar is produced. To clean 1 ton of sugar 450 kg of lime is consumed. Calculate how many kgs of lime is consumed when processing 1 ton of sugar beet?
18. Far country
In a country far away, the value of 3 pesos is 12 centavos more than the value of 1 peso. How many centavos is 1 peso worth?
19. Marriage sttus
In our city, there are 3/5 of the women married to 2/3 of the men. Find what part of the population is free.
20. The lowest
The lowest temperature on Thursday was 20°C. The lowest temperature on Saturday was 12°C. What was the difference between the lowest temperatures?

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