Ratios and Rates

NZ Level 6 (NZC) Level 1 (NCEA)

Proportional Relationships as Equations

Frank serves $8$8 cups of coffee every $9$9 minutes.

Using $y$`y` for the number of cups of coffee, and $x$`x` for the amount of minutes that have passed, write an equation that represents this proportional relationship.

Easy

Approx a minute

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Apply direct and inverse relationships with linear proportions

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