Arithmetic - math word problems - page 39 of 210
Number of problems found: 4189
- A chemist 2
A chemist has two alloys of bronze, one that is 12% tin and 88% copper and a second that is 10% tin and 90% copper. If these two alloys are melted and thoroughly mixed together, between what two values are the percent of tin in the mixture? - Simple interest 5
At what simple interest rate should Renel invest his P45,000 so that it earns P5,500 in 1 year and 5 months? - It takes 2
It takes 7 1/5 seconds for a jet to fly 1 km. How long does it take for this jet to fly 3/4 of a km? - A potato
A potato farmer incurred a total cost of $1600 and $2500 from producing 5 and 8 potato bags, respectively, in 2 separate weeks. Find the cost of x bags.
- Suppose 12
Suppose in a physics test involving 30 students, and four scored 75%, eight scored 60%, twelve scored 50%, and six scored 30%. Calculate the mean of the group and the standard deviation. - A road
A road on a map measures 8cm long. The scale of the map is 25000. Calculate the actual length of the road - The following 4
The following are the scores of 10 students in a quiz in Teaching Mathematics in the Intermediate Grades subject: 14, 16, 13, 17, 16, 16, 13, 19, 17, and 13. Find the mode and interpret it - Ekene and Amina
The probability that Ekene will be alive in 5 years' time is 3/4, and the probability that his wife Amina will be alive in 5 years' time is 2/5. Find the probability that in 5 years' time: a) both of them will be alive b) only Ekene will be alive - Lollipops 83262
Mom bought 6 lollipops for €17. If the cashier rounded up the purchase price to whole euros, what was the least one lollipop could cost?
- Bloomed 83121
Forty-three tulips bloomed in the garden. Mom picked 21 tulips in a vase. How many tulips are left to bloom in the garden? - Subtract 83051
What amount will I get if I subtract 1/8 from the amount of 30000? - Hamsters 83018
Jožko keeps dogs, guinea pigs, hamsters, and hares. A total of 24 animals. Of these, 1/3 are hamsters, 3/8 are guinea pigs, and 3/4 are not hares. How many dogs does Jožko have? - Decimetres 82870
Next to the road are 15 pillars at a distance of 2.5 meters. The pillars are 15 cm wide and stand at the beginning and end of the path. Calculate the length of the path in decimetres. - Fractions 82848
Calculate one-seventh of the quotient of the fractions three-quarters and two-thirds.
- Arrived 82746
The bus left Prague at 8:45 p.m. and arrived in Poprad at 5:35 a.m. How long did the bus take? - Passengers 82638
The maximum take-off weight of the Concorde aircraft is 185,000 kg. What reserve does it have for fuel, passengers, and their luggage if the plane's weight is 78,900 kg? - Traveled 82609
The tourist traveled 3/8 of the planned journey on the first day and 7/12 of the trip on the second day. On which day did he travel most of the way, and by how much? - Container 82608
The container was filled with water. Peter poured out 2/9 of the water, and Katka poured out 1/6 of the water. What fraction of the water remained in the container? - Minutes 82607
A) how many kg is 4/5 tons more than 7/10 tons? b) by how many minutes is 1/3 of an hour less than 5/6 of an hour?
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