২৮০২
It will take john 4 days to string a certain fence. If Mary could string the same fence in 3 days, how long will it take them if they work together?
উত্তর
1 5/7 days
২৮০৩
Nilolai is thinking of a positive whole number. If the number is squared and then 10 is subtracted from the rsult , the dirrerence is equal to 6. what is the number?
উত্তর
6
২৮০৪
How many liters of a 40% iodine solution need to be mixed with 35 liters of a 20% iodine solution to create a 35 % iodine solution?
উত্তর
105
২৮০৫
The measure of the side of a square is tripled. If x represents the represents the perimeter of the original square, what is the value of the new perimeter?
উত্তর
3x
২৮০৬
On the farm , there are a total of 20 animals , all of which are either cows or chickens.There are 52 legs total. How many chicken are on the farm Assuming each animal has all of its legs?
উত্তর
14
২৮০৭
A certain jacket was market down 20% the first week and another 20% the next week. what percent of the regular price was the final cost of the jacket after the two markdowns?
উত্তর
36%
২৮০৮
in 40 minutes, Diane walks 205 miles and sue walks 1.5 miles. In miles per hour, how much faster is Diane walking?
উত্তর
1.5
২৮০৯
A case of 12 rolls of paper towels sells for $ 9. The cost of one roll sold individually is $ 1. what is the percent of savings per per roll for the 12-roll package over the cost of 12 rolls purchased individually?
উত্তর
25%
২৮১০
A horse is tied to a post with a twenty -foot rope. what is the longest path that the hours can walk?
উত্তর
40 pie ft