# Examples for 7th grade (seventh) - page 87

1. Divide 5
Divide 288 in the following ratio 3 : 4 : 5
2. Trevor
Trevor wishes to tile the floor of his bathroom. The bathroom is rectangular and is 4.2m long and 3.3m wide. The tiles are 30cm by 30cm. Calculate the cost to tile the floor if each tile costs 72 cents.
3. Walking
Lucie can walk about 3 4/5 miles each hour. How far can she walk in 2 hours 45 minutes?
4. The Mayflower
The Mayflower traveled for 66 days on the trip from England to America. The weather was storming for many days of their trip. If one and a half of the days at Sea where Sunny with good weather, 1/6 of the days were sunny but very windy and the other days r
5. Closed drum
Find the total surface area of a closed cylindrical drum if it's diameter is 50 cm and height is 45 cm . (π= 3.14)
6. Temperature difference
The highest temperature of Libya was recorded 58 degree Celsius and the lowest was recorded -88 degree Celsius, what is the temperature difference?
7. Ribbon on the cube
A cubical gift box is tied with a piece of ribbon. If the total length of the free ends and the bow is 18 inches, what is the length of the ribbon used? (Each side of the cube is 6 inches).
8. Feet to miles
A student runs 2640 feet. If the student runs an additional 7920 feet, how many total miles does the student run?
9. Gasoline price
At 34.4 cents per liter, how much will 42 liters of gasoline cost?
10. Greg and Bill
Greg is 18 years old. He is 6 less than 4 times Bill's age. How old is Bill?
11. Flooring a room
Find the cost of flooring a room 6.5 m by 5 m with square tiles of sides 25 cm at the rate of rupees 9.40 per tile.
12. Phone plan
Victoria's cell phone plan costs \$30.00 a month. If she used 12.5 hours in May, how much did Victoria pay per minute?
13. After 2
After we planted flowers in 2/5 of our garden, 24m remained unplanted. How many meters is the garden in total? If the total area of the garden is 1, the proportion of the remaining area is?
14. Bob traveled
Bob traveled 20 meters to Dave's house. He arrived in 3 minutes. What was his average speed for the trip.
15. Watching TV
One evening 2/3 students watch TV. Of those students, 3/8 watched a reality show. Of the students that watched the show, 1/4 of them recorded it. What fraction of the students watched and recorded reality tv.
16. Workers 9
If two workers fix two windows in an hour how many windows can 18 workers fix in the same two windows?
17. Equivalent fractions
Are these two fractions equivalent -4/9 and 11/15?
18. Jill's
Jill's mom stored some of the honey in a container that held 3/4 of a gallon. She used half of this amount to sweeten tea. How much honey, in cups was used in the tea. Express your answers in cups.
19. Cupcakes 2
Susi has 25 cupcakes. She gives 4/5. How much does she have left?
20. A jewelry
A jewelry store has 20 grams of gold. If a pair of earrings need 1/4 gram of gold, how many grams are not used?

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