Lemma
EasyPermutations & combinations
OpenStax, Algebra and Trigonometry 2e §13.5 Counting Principles · Try It 1 · Combinatorics · Permutations & combinations

Counting Principles · Try It 1

A student is shopping for a new computer. He is deciding among 3 desktop computers and 4 laptop computers. What is the total number of computer options?

~5 minAnswer checked instantly

OpenStax, Algebra and Trigonometry 2e · §13.5 Counting Principles · Try It 1

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your answer
Loading the math keyboard…

Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.

Checked against the answer in OpenStax, Algebra and Trigonometry 2e.