Mathematics
cupcake2000
2020-04-23 22:40:45
Select all of the following that are a direct variation. Songs are 99 cents each to download. Tickets for rides at the fair are $1 each. Arcade games are 50 cents or $1. To go tubing it is $5 to rent the tube and $7 for each hour.
ANSWERS
Mathsneerd
2020-04-24 00:41:23

Only these are direct variations: Songs are 99 cents each to download. Tickets for rides at the fair are $1 each. Because, for each of them, the total value will be always the product of the number of items times a constant (the unit price).  

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