Grade - math word problems - page 644 of 953

Number of problems found: 19048

Tree Planting Work Hours
Specify x - the number of hours if Three part-time workers, 5 hours a day, plant 900 trees. How many hours a day do two part-time workers have to work to plant 480 trees?
Evaluation of expressions
If a²-3a+1=0, find (i)a²+1/a² (ii) a³+1/a³
Girls
The boys and girls in the class formed groups without the rest of the five, two girls and three boys. Six girls are missing to create mixed pairs (1 boy and one girl). How many girls are in the classroom?
Triplets
Three years ago, the triplets Pavel, Petr, Luke, and their five-year-old sister Jane had been together for 25 years. How old is Jane today?
Rectangle Carpet Dimensions Perimeter
The electrified carpet was rectangular, 16 square meters in area, and no two points on it were more than 7 meters apart. What different circuits can carpets that meet these conditions have?
Expression with powers
If x-1/x=5, find the value of x⁴+1/x⁴
Road
The angle of a straight road is approximately 12 degrees. Determine the percentage of this road.
Cable Car Path Length
The cable car rose at an angle of 15 °. The height difference between the upper and lower stations is 106m. Calculate the path's length.
Oats Consumption Comparison
Fifteen horses consume 1050 kg of oats per week. How many times do three horses consume less than 15 horses?
Two Numbers Product Ratio
The ratio of 2 numbers is 2:5. Determine the product of the numbers if the larger of them is 35.
Water level
The water tank is cuboid with a square base (the edge of the base is 3.2 m long) and 3 m high. It holds 25,600 liters of water. What is the distance of the water level from the upper base?
Ball marking
The saleswoman removed 20 balls from the box, marked them with a price tag, and put them back in the box. Then, she removed 12 balls and found that eight were drawn. Thus, there were at least 20 balls in the box.
Speed of car
The car went to a city that was 240 km away. If his speed increased by 8 km/h, it would reach the finish one hour earlier. Determine its original speed.
Inscribed sphere
How much percent of the cube volume takes the sphere inscribed into it?
Hussein
Hussein owns 450000 crowns (local currency). He spent 2 over 9 at the bookstore to buy some books and tales. He paid 3 over 5 of his money to buy his math book. a. Calculate the remaining amount of money with Hussein. b. Hussein lost 3 over 4 of the remai
Taxi
A taxi ride costs $3 plus $2.50 per mile. Write and graph an equation using two variables representing the total cost of the taxi ride.
Meeting of Two Walkers
Tomas will leave point A at a speed of 4 km/h at 9 o'clock. Ondra will meet him from point B at a speed of 3 km/h at 9.30 am. The distance between points A and B is 5.5km. What time do they meet, and how far will they be from point B?
The tourist
The tourist came started from the hostel at an average speed of 5km/h. Half an hour later, the bicyclist started along the same route at a speed of 20km/h. How many minutes will a cyclist catch up, and how many kilometers will he go?
Snacks
The school has 344 pupils. Half of them take snacks, and 13 pupils who took snacks did not attend school. Thus, there are 344 snacks left.
Enlarged rectangle
The rectangle has dimensions of 8 cm and 12 cm. We enlarge it in a ratio of 5:4. What are the circumference and the area of the enlarged rectangle?

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