There are 3 pieces of cake in each packet. How many pieces of cake are there in 7 packets?

(a)  

The price of every 2 bars of chocolate is $10.

Henry buys 10 bars of chocolate. He should pay

(a)  

Each tank has 9 fish. How many fish are there in 2 tanks?

(a)  

There are 6 roses in a bunch. How many roses are there in 9 bunches?

(a)  

A ruler costs $8. The cost of a notebook equals the total cost of 5 rulers. How much does a notebook cost?

(a)  

Some boys are arranged into groups of 7.

The number of girls equals the total number of boys in 3 groups. How many girls are there?

(a)  

An eraser costs $3. How much do 5 erasers cost in total?

(a)  

An eraser costs $3 and a pen costs $5. Ben buys one of each. How much does he need to pay in total?

(a)  

In a pet shop, there are no birds in any cage. How many birds are there in 8 cages altogether?

(a)