Grade - math word problems - page 731 of 950

Number of problems found: 18986

Kilometers 4604
The tourist traveled 78 km in three hours. For part of the journey, he traveled by bus at an average speed of 30 km/h, and for the rest, he walked at an average speed of 6 km/h. How long did he walk, and how many kilometers did he walk?
Beata 4603
Adam has 30 cents more than Beata. Beata has 45 cents. How many cents does Adam have?
Cyril 4602
Cyril is 20 cents less than Dusan. Cyril has 46 cents. How many cents does Dusan have?
Children and trip
The price of a one-day trip for an adult is CZK 185. The discount for a child is 50 CZK. How many crowns will the trip cost a family of four (parents and two children)?
Cakes and crowns
Jindra bought three cakes, and Honza bought four cakes and paid 5 CZK more than Jindra. How many crowns did one cake cost? How much did each of them pay?
Lengths 4599
The garden is 9m long and is no wider than 10m. What is its width if you can walk the same 55cm or 70cm lengths?
Rectangular 4598
The rectangular matrix contains three rows and four columns. Determine how many elements this matrix contains.
Determinant 4597
What number do we get if we multiply the determinant of matrix A by the determinant of its inverse matrix?
Together 4596
Pavel has half as much savings as Standa but the same savings as Radek. Standa saved CZK 120 less than Radek. What savings do all three boys have together? A) less than CZK 600 B) CZK 600 C) CZK 960 D) 1200 CZK E) another number of crowns
Cornices 4595
The shop has curtain rods in 140cm, 180cm, and 200cm lengths. Aunt needs to cover the curtain width of 3m 20cm. What cornices will her uncle buy her? How many cm will have to be cut from each?
Sum of money
On a certain sum of money, invested at the rate of 10% compounded annually, the difference between the interests of the first year and the third year is 315. Find the sum.
Doubravka 4593
Eva will mow the garden in 4 hours, and Doubravka will cut it in 3 hours. How long would it take to mow the garden if Eva started an hour earlier and only Doubravka joined it?
Z7-I-4 stars 4949
Write instead of stars digits, so the next write of the product of the two numbers is valid: ∗ ∗ ∗ · ∗ ∗ ∗ ∗ ∗ ∗ ∗ 4 9 4 9 ∗ ∗ ∗ ∗ ∗ ∗ 4 ∗ ∗
The rope
A 68-centimeter-long rope is used to make a rhombus on the ground. The distance between a pair of opposite side corners is 16 centimeters. What is the distance between the other two corners?
Elevator 4590
The elevator goes from the 1st floor to the 6th floor for 50 seconds. How many seconds will it go from the 2nd floor to the 9th floor if it goes at the same speed all the time?
Ratio iso triangle
The ratio of the sides of an isosceles triangle is 7:6:7. Find the base angle to the nearest answer correct to 3 significant figures.
Surface and volume
What is the volume of a sphere with a surface area of 113.04 square meters?
Trapezium
The lengths of parallel sides of a trapezium are (2x+3) and (x+8), and the distance between them is (x+4). If the area of the trapezium is 590, find the value of x.
Thinking 4586
I'm thinking of a number that doesn't belong to the group. Please find it, justify the choice, and divide it by 9. 36,54,56,80,72,64,42,18,24,32,90,48,28,99.
Diameter to area
Find the area of the circle whose diameter is 26 cm.

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