Jovan needs to buy a package of ham for $5, a package of cheese for $3, and a loaf of bread for $4 to make lunch. Jovan has a coupon that gives him x percent off on a package of cheese. He has a second coupon that gives him y percent off on a loaf of bread. He has a third coupon that gives him z percent off on his total purchase.

Jovan cannot combine the coupon for the total purchase with the other two coupons. These expressions give both possibilities for the total cost of Jovan's purchase after the coupons are applied. The variables represent percentages as decimals.

(1−x)3+(1−y)4+5

(1−z)(3+4+5)

Which part of the expression represents the price of the ham, the cheese, and the bread before the total discount is applied?

3 + 4 + 5

(1−x)

4(1−y)

(1−z)

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.