There are 80 red balloons and 20 green balloons each package of balloons.

what is the unit rate in red balloons per green balloon?

a.4

b.20

c.40

d.80

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

17 in long 1.3 ft wide and 8in high what is the volume

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?