# Work - 9th grade (14y) - math problems

#### Number of problems found: 199

- A paint

A paint tin is a cylinder 12cm and height 22 cm. Leonardo, the painter, drops his stirring stick into the tin and it disappears. Work out the maximum length of the stick. - Wall builders

If 12 men can build a wall 398 metres long in 48 days, how long would it take 33 men to build a wall 347 metres long? Answer to 3 decimal places. - Strawberries

Three people pick strawberries from 48 rows in 8 hours. How many hours do five people need to pick strawberries from 20 rows? - The bricklayer

The bricklayer built a six-meter base of the fence in 3 hours. How long does it take to build a 14 m long base? - James 4

James, Priya and Siobhan work in a grocery store. James makes 8.00 per hour. Priya makes 40% more than James, and Siobhan makes 5% less than Priya. How much does Siobhan make per hour? - Your Mom

Your Mom can clean your entire house in 3 hours. However, your dad takes 5 hours to clean the house. How long it will take for them to clean the house if they work together? (Write the numerical answer round to the nearest thousandth) - Part-timers

Six part-timers would take seven hours to pick strawberries. How long would this work take if two more temporary workers were added after three hours? - Deadline

Five equally skilled masons built half the wall in 14 days. In order to meet the planned deadline, the remaining part must be built in 6 days. How many more masons need to be allocated for construction? - Jewelry factory

In a jewelry factory, three assemblers make beaded necklaces. Marcus can make 22 necklaces per hour all day long. Anita can make 25 necklaces for her first three hour of the days and then slow down to 16 necklaces for the rest of the day. Yara can make 2 - Workshops

The plant has three workshops. In the first workshop, produce 5 products/hour, in the second 8 products/hour, and in the third 7 products/hour. In the first workshop, they produced 240 products, in the second 400 and the third 350 products. Find the avera - Together m+d

Aunt Jane would paint her apartment in 10 hours, her mother in 15 hours. How much do they paint it for together? - Two companies

Company A can fulfill the order in 12 days, company B the same order in 18 days. How many days will the order be fulfilled if only company A works on it for the first two days, then the remaining days for both companies two? - The mountain hut

The mountain hut has a supply of food for 8 tourists for 15 days. Half more were lost. How long will their food supply last if the daily ration remains the same? - The sides 3

The sides of an equilateral triangle are 9.4 cm, correct to the nearest one decimal place. Work out the upper bound of the side of this triangle. - Mr. Ben

Mr. Ben drives bricks to the construction site. If he drove three times a day, he would make bricks in 8 days. How many times a day would he go every day to be done 2 days earlier? - There 3

There are six bays at an oil change shop. It takes 45 minutes to work on a car at each bay. Cars are coming every 6 minutes to the shop for an oil change. How long before cars start backing up? What kind of spacing is needed to maintain proper flow? - Diggers

Eight diggers will do the job in 85 hours. After 21 hours, 3 diggers had to leave. How many hours will the work be done? - Part-time workers

Three part-time workers received CZK 1,235 for their work. The first received 20% less than the second and the third received 45 CZK more than the second. Determine how many crowns (CZK) each of them received. - The leaves

Karel would rake the leaves in the garden alone in 24 minutes, his younger brother would take 30 minutes. How long would they dig a garden, if Karel digs alone for 6 minutes and then his brother comes to his aid? - Sow barley

Farmers wanted to sow barley within 13 days. Due to the excellent weather, they exceeded the daily plan of sowing by 2 ha and therefore finished sow grain in 12 days. How many hectares of land did they sow with barley?

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Work word problems. Examples for 9th grade.