Suppose a survey of adults and teens (ages 12 dash –17) in a certain country was conducted to determine the number of texts sent in a single day.

Mary had at least an 80% on her test write an inequality to represent this situation

I'm confused on this could anyone me and show me what i need to do to solve it.

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.