Olivia is making bead bracelets for her friends. She can make 3 bracelets in 15 minutes. and it takes 5 mins per bracelet so now what does the porportionality represent in this situation?

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

What is the slope of the line shown below?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?