# Direct relationship - 6th grade (11y) - math problems

- A filter

It is a pool with a volume of 3500 liters. The filter filters at 4m cubic per hour. How many minutes would it filter the entire pool? - Report 2

A School reports students to teacher ratio of 6:1. If there are 45 teachers in the School, how many students are there? - The perimeter 3

The perimeter of a rectangle is 35 cm. The ratio of the length to its width is 3:2. Calculate the dimensions of the rectangle - Cyclist

Cyclist drives 5 km in half an hour, how long will drive in 3 hours? - Photo enlarge

Mark wants to enlarge a 4-inch by 6-inch photo so that it has a height of 15inches. Use a ratio table to determine the new width of the photo. - Guppies

Audrey has some guppies in a fish tank. The ration of the oranges guppies to silver guppies is 3:5. She has 12y oranges guppies. Write the number of silver guppies she has in terms of y - Natural gas in kWh

Gas consumption for 2017 was 11,301 kWh I paid 532 € How much 1 m^{3}? - Reducing scale

I am sizing some landscaping and I measured everything for a 20 to 1 scale. I realized when I was done that it was at 30 to 1. How can I convert what I already have to 30 to 1. (Example, grass area is 22,871.6' at 20 to 1, how do you figure it out to be 30 - Display case

Place a glass shelf at the height of 1m from the bottom of the display case in the cabinet. How long platter will we place at this height? The display case is a rectangular triangle with 2 m and 2.5 m legs. - Map scale

The rectangular plot has in a scale of 1: 10000 area 3 cm^{2}on the map. What content does this plot have on a 1:5000 scale map? - Building

At the building, we divided 240 boards into two piles in a 5: 3 ratio. How many were fewer boards in the lower pile? - Driver

I drive at an average speed of 70km/h, I drive 10 thousand km. How long did it take me? - Pump

680 liters of water were pumped in 8 minutes. How many liters was spent in 56 minutes? - Scale of the map

The distance between two cities is actually 30 km and the map is 6 cm. What is the scale of the map? - Michal

Michal has 2.90 per hour. How much does he earn during the week of the summer job? - Pills

If it takes 20 minutes to run a batch of 100 pills how many minutes would it take to run a batch of 50 pills - Two brothers

The two brothers were to be divided according to the will of land at an area of 1ha 86a 30m2 in a ratio of 5:4. How many will everyone get? - Rails

18 m railway weighs 1260 kg. How much weighs 100 m of welded railways? - Sugar

From 3 tons of sugar beet was produced 480 kg of sugar. How many tons of sugar was produced from 17.5 tons of sugar beet? - Good swimmer

Good swimmer swims 23 m distance with ten shots. With how many shots he swim to an island located 81 m if still swims at the same speed?

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