Question

Jackie has fewer than 20 h to work on her jewelry. It takes her half an hour to make a necklace and an hour to make a bracelet. She wants to make x necklaces and y bracelets, and she wants at least twice as many bracelets as necklaces.
Select all inequalities that model this situation.




y>2x

x>0

0.5x+y≤20

0.5x+y<20

x≥0

y≥2x


Adam needs both small and large cones to set up for a soccer practice. He knows there are fewer than 30 cones in the storage room. He needs at least a dozen large cones.

Let x represent the number of small cones and y represent the number of large cones.

Select all inequalities that model this situation.




y≥12

x+y≤30

x>0

y>12

x+y<30

x≥0

Answer 1

Question 1.

(Jackie)

0.5x+y<20

y≥2x

x≥0