Multiplying Fractions by Whole Numbers

Brittany is making trays of fudge. Her recipe calls for 2/3 cup of walnuts for each batch of fudge. How many cups of walnuts does she need to make 8 batches of fudge?

Gerard’s baby brother spends 7/8 of his day sleeping. How many hours does his baby brother sleep?

Ben runs 3/4 miles each day. How many miles does Ben run in 12 days?

The frilled lizard’s tail is ⅔ of its length. If a frilled lizard is 90 centimeters long, how long is its tail?

Eric has 140 coins in his collection. 11/20 of the coins are pennies, 4/20 of the coins are nickels. The rest of the coins are quarters. How many of the coins are quarters?