Answer
0.50 dollars/mango
Work Step by Step
The grocery store was selling a pack of 6 mangoes for 3 dollars --> 3 dollars to 6 mangoes.
$\frac{3 \text{ dollars}}{6 \text{ mangoes}} = 0.50 \text{ dollars/mango}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.