Exemplos de problemas com porcentagem (resolvido)

What does 7 (x+1/7) equal

mary is buying new carpet for her bedroom. The length of her room is 12 feet and the width is 14 feet. How many square feet of carpet does she need to buy?

Rosa has 3 3/4 pounds of dough. She uses 1/8 of a pound for one roll. How many rolls could be made from Rosa's dough?

A CD player is sold at four different stores. which store is selling it for the lowest price? A.) retail price: $108.68; discount: 17% B) retail price: $103.35; discount: 13% C) retail price: $114.01; discount 21% D) retail price: $118.

How to convert 18 gallons/1 hour to cups and minutes

2/3 of 27 is equal to what fraction?

The average mark of candidate in an aptitude test was 128.5 with a standard deviation of 8.2. Three scores extracted from the test are 148, 102,152. What is the average of the extracted scores t hat are extreme values (outliers) ?

Solve the system using elimination. x - y = 4 - x - y = 6

A. In April, Fiona received 77 ounces of milk at each feeding. She was fed m times per day. Write an expression to find how many ounces of milk Fiona was fed per day. B. Evaluate the expression: She was fed 5 times a day.

Which equation describes the relationship between the time elapsed and the number of gallons of water remaining in the pool? A = - 600+15,000 B = - 600+13,200 C = - 1,200 + 13,200 D = - 1,200 + 15,000