Fractions of Amounts - Word Problems

In an orchard 1/5 of the trees are pear trees. There are 45 trees in the orchard. How many are pear trees?

(a)  

I have eaten 1/7 of the chocolates in the box. If there were 56 chocolates, how many have I eaten?

(a)  

4/5 of the tickets for a Lady Gaga concert have been sold. If there are 2000 tickets how many have been sold?

(a)  

In a room 2/3 of the people are male. If there are 60 people in the room, how many women are there?

(a)  

If 9/10 of cats prefer Felix of the 500 surveyed how many do NOT prefer Felix?

(a)  

A shop sold 2/3 of all their newspapers one morning. The rest they returned. If they had 360 papers, how many did they sell?

(a)  

In a car park 4/7 of the cars are silver. There are 700 cars in the car park. How many are NOT silver?

(a)  

1/3 of the people in a room are under 20. If there are 15 under 20s how many over 20s are there?

(a)  

Natalie bought 10 pizzas for a party. When the party was over, she noticed 1/5 of the pizza was gone. How much pizza did everyone eat at the party?