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For 7 hours study, she scored a 75 so if she made 93 how many hours would she need to study?
How many hours are, if the time that elapsed since 8:00 is 2/5 of the time that will past till midnight?
- Magic belt
The magic rectangular belt has the property that whenever its owner wants something, the length of the belt is reduced to 1/2 and the width to 1/3. After three such wishes, the belt had a content area 4 cm2. What was its original length if the original wid
- Photo egative
Negative dimensions are 36mm and 28mm. What will be the photo size in the 21:4 ratio?
- Unknown number 23
Find 2/3 of unknown number, which is two thirds of the 99.
- Percentages 5
$5.25 is 7 1/2% of what number?
- Pizza 4
Marcus ate half pizza on monday night. He than ate one third of the remaining pizza on Tuesday. Which of the following expressions show how much pizza marcus ate in total?
- 3 children
3 children had to divide 4 pounds is candy. How much candy did each child get?
Shade the area on the grid that shows 5/8 x 2/4
Compare fractions ?. Which fraction of the lower?
Route is long 203 km and the first day first regiment went at an average speed 20 km/h and journey back 19 km/h. The second day went second regiment same route at an average speed 18 km/h there and back. Which regiment will take route longer?
Increasing the minimum wage while maintaining the other parameters of the system, unemployment will be:
In human body the blood is about 7.7% body weight. How many kilograms of blood is in the human body with weight 96 kg?
- One sixth
How many sixth are two thirds?
- Percent calculation
Calculate 72% if 96% is 93.
How many millimeters is 1/100 meters?
In the camp are children. 1/4 went on a trip, 1/2 went to bathe and 99 children remained in the room. How many children are in camp?
After three 10° beers consumed in a short time there are 7.4 g of alcohol in 5 kg adult human blood. How much is it per mille?
Fields go plow two tractors with various performance. The first tractor plow whole field in 5 hours, the second tractor plow whole field 5 hours longer. How long take plow whole field with two tractors?
Calculate the missing denominator x: ?