Grade - math word problems - page 402 of 950

Number of problems found: 18986

Four sides of trapezoid
Calculate the area of the ABCD trapezoid with sides a = 65 cm, b = 29 cm, c = 40 cm, d = 36 cm
Free fall
How long and at what speed does the body fall to the ground during a free fall from a height of 35 m?
The average height
The average height of six friends is 181 cm. Peter came among them, which reduced the average height by 2 cm. Calculate Peter's height.
Solution 38451
Prepare 2 liters (kg) of a 3% salt solution in water.
Calculate 38441
The square tile has a side length of 10 cm. Calculate how many tiles you need to cover a square floor with a side length of 70 cm.
Participants
Of the 48 participants, six were women, fewer than men, and 24 were children, less than all adults. Calculate the percentage of all participants on the tour who are children.
Difference mixed fractions
What is the difference between 4 2/3 and 3 1/6?
Solution 38411
Prepare 250g of a 30% solution of hydrogen peroxide in water.
Salicylic 38401
Prepare 600 g of an 8% solution of salicylic acid.
Solution 38391
Prepare 100g of a 15% blue rock solution.
Collected 38381
The foreman collected 268 kg of apples and must sort them into baskets of 7 kg each. Can they divide the apples correctly? Will all baskets be refilled? How many baskets will they need if they want to put all the apples in the baskets?
Three-digit 38371
How many odd three-digit numbers can you make of the five cards with the numbers 1, 2, 3, 5, and 6?
Cindy
Cindy bought four slices of pizza for Php 95.60. The whole pizza has six slices. How much does each slice cost?
Copper wire
What is the weight in kg of copper wire 200 m long with a diameter of 0.6 cm if the density of copper is 8.8 kg/dm³?
Minutes 38331
Two planes took off from Prague at one point. The first is flying north at a speed of 420 km/h, and the second is flying east at a speed of 560 km/h. How far apart will they be as the crow flies in 25 minutes of flight?
Regular 4-sided pyramid
Find the area (surface area) of a regular 4-sided pyramid if its height is 20 m and the wall height is 23 m.
Clock's 38311
How far apart are the tips of the clock's hands in 3 hours if the larger hand is 124 mm long and the smaller 75 mm?
Cube-shaped container
The cube-shaped container has a height of 52 cm and a square base. The container was filled to the brim with water, and then we immersed a metal cube in it, which caused 2.7 l of water to flow out of the container. After removing the cube from the water,
Bricklayer 38291
A bricklayer will lay 12 m³ of brickwork in 4 days if he works 7 hours a day. How many days will he lay 51 m³ of masonry if he works 8.5 hours daily?
Rotary motion
Find the orbital time, rotational frequency, and angular rate of the second and minute hands on the watch.

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