20
100 of them
22
50
It is 15
There seven eights in 56.
Nine.
8 x 8 = 64 with a remainder of 1
There are 6 eights in 3/4.
In 1 there are 8 eights. So 40 * 8 = 320. So there 320 eights in 40.
1
There are eight eights in each unit so 7 units have 7 x 8 eights, which is 56 eights.