Alocal grocer wants to mix candied pecans, priced at \$14.00/$14.00/dollar sign, 14, point, 00, slashpound (\text{lb})( start text, l, b, end text, ), and candied cashews, priced at \$10.00/\text{lb}$10.00/lbdollar sign, 10, point, 00, slash, start text, l, b, end text. how many pounds of candied cashews must he mix with 8\,\text{lbs}8lbs8, start text, l, b, s, end text of candied pecans to make a mixture that costs \$12.50/\text{lb}$12.50/lbdollar sign, 12, point, 50, slash, start text, l, b, end text? (round the answer to the nearest tenth of a pound.)

4.8 lbs

Step-by-step explanation:

Candied pecan price: $14.00

Candied Cashew price: $10.00

Mixture price: $12.50

Candied cashew weight: x lbs

Candied pecan weight: 8 lbs

Mixture weight: y pounds

The sum of the weights of candied pecan and candied cashew must equal the weight of the mixture. While the mixture weight multiplied by the mixture price must equal the sum of each individual candy's weight multiplied by its price:

Multiplying the firs equation by -10 and adding it to the second one, gives us the value of "y" which can then be used to find "x":

Therefore, the grocer would need 4.8 pounds of candy cashews to make the mixture.

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

30 units^2

step-by-step explanation:

area is l × w

the length is 3

and the width is 10

3 × 10= 30 units squared