Here are the diameters of four coins: penny nickel dime quarter
1.9 cm 2.1 cm 1.8 cm 2.4 cm

1.A coin rolls a distance of about 60 cm in 8 rotations. Which coin is it?

2.A coin makes about 7 rotations and rolls a distance of 42 cm. Which coin is it?

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

What else equals 42 and 30 for multiply