Inverse proportion - math word problems - page 20 of 21
Number of problems found: 405
- Medicament
Many manufacturers produce the same type of medicament in various packages with different active substance content. Pack 1: includes 60 pills of 600 mg of active substance per pack cost 31.5 Eur. Pack 2: includes 100 tablets of 1200 mg of active substance
- Coke
One ton of coal is produced 787 kg of coke for iron production. How many wagons of coal by 28 tonnes per day is needed for the blast furnace, which has a daily consumption of 986 tons of coke?
- Reciprocal
Calculate the reciprocal numbers for the given real numbers.
- Forestry workers
84 laborers have employed planted trees in the forest. For 9 hour work, a day would end job in 38 days. After 18 days, 6 laborers go forth? How many days are needed to complete planting trees in nurseries by others if they work 12 hours a day?
- Excavation
Mr. Vendelín calculated that excavation for a water connection digs for 10 days. His friend would take 10 days. Vendelín worked 3 days alone. Then his friend came to help and started on the other end. On what day since the beginning of the excavation they
- Tare
The gross weight of a shipment is 6278 kg, and its tare is 6.3%. Calculate the net weight of the shipment.
- Wage
Increasing the minimum wage while maintaining the other parameters of the system, unemployment will be: ...
- Tape
Video is 199% more expensive than a tape recorder. How many percent is a tape recorder less expensive than a video?
- Freedom
In the city are 3/9 of women married for 3/6 men. What proportion of the townspeople is free (not married)? Express as a decimal number.
- Chickens
4 chickens give 4 eggs in 4 days. How many eggs can 8 chickens be given for 8 days?
- The Cats and Mice Problem
Two cats caught two mice in two days. How many mouses will catch 10 cats for 10 days?
- ŽSR
Calculate fixed annual personnel costs of operating monorail line 143 km long if every 5 km is a station that serves three people - one dispatcher and two switchmen in 4-shift operation. Consider the average salary of the employee 884 euro.
- Pool
If water flows into the pool through two inlets, it will fill for 5 hours. If the first inlet fills the pool 5 hour longer than the second, how long does it take to fill with two inlets separately?
- Washer
The washing machine drum washes at 64 RPM. The washing machine motor pulley has a diameter of 6 cm. What must be the diameter of the drum machine pulley when the motor is at 367 RPM?
- Chocolate
Anthony bought 9 same chocolates for 18 Eur. How many euros will he pay for 19 chocolates?
- Expression
If it is true that (l + 15 w)/(w) = 6, then the value of the expression (13 l)/(12 w) is:
- Fixed expenses 2013
Since 2013, the Slovak government has had plans to tax more small one-person businesses. Instead of fixed expenses, 40% will be fixed expenses 40% of gross income up to 420 Eur. Calculate the percentage of fixed expenses that will be paid in 2013 from gro
- Cyclist
The cyclist goes uphill 7 km for 46.9 minutes and downhill minutes for 15.4 minutes. Both are applied to the pedals with the same force. How long does he pass 7 km by plane?
- Reciprocal
It is true (prove it) that if a > b > 0: (1)/(a)< (1)/(b)
- Pipes
The water pipe has a cross-section 1903 cm². An hour has passed 859 m³ of water. How much water flows through the pipe with cross-section 300 cm² per 11 hours if water flows at the same speed?
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