**R/exams**, and kindly contributed to R-bloggers)

Exercise template for solving a system of three linear equations (single-choice) with a problem description based on shuffled images.

**Name:**

`fruit2`

**Type:**

**Related:**

**Description:**

**Solution feedback:**

**Randomization:**

**Mathematical notation:**

**Verbatim R input/output:**

**Images:**

**Other supplements:**

*(Note that the HTML output contains mathematical equations in MathML. It is displayed by browsers with MathML support like Firefox or Safari – but not Chrome.)*

**Demo code:**

```
library("exams")
set.seed(1090)
exams2html("fruit2.Rnw")
set.seed(1090)
exams2pdf("fruit2.Rnw")
set.seed(1090)
exams2html("fruit2.Rmd")
set.seed(1090)
exams2pdf("fruit2.Rmd")
```

**leave a comment**for the author, please follow the link and comment on their blog:

**R/exams**.

R-bloggers.com offers

**daily e-mail updates**about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web Scraping) statistics (regression, PCA, time series, trading) and more…