In mathematics, "of" always means "multiply", so your question can be rewritten as:
1/5 x 1/3 x 1/8
To multiply equations, you multiply the top number (numerators) together - in this case, this is 1 x 1 x 1 = 1, and divide it by the denominators (5 x 3 x 8) = 120.
This gives the answer as:
1/120.
one fifteenth or 1/15
4 multiplied by one fifth is four fifths.
The average speed is one fifth of the distance that she travels from the third to the eighth second.
One and one third multiplied by three equals four.
3.5
0.29167
79/120 or .6583333333333
one fifteenth or 1/15
fourth
one quarter, third, fifth, eighth and so on ps CHEESE FO LLAMAS
4 multiplied by one fifth is four fifths.
1/8*1/5*1/3*1200 = 10
1/25
One fifth multiplied by thirty is 6. 0.2 x 30 = 6
30
The average speed is one fifth of the distance that she travels from the third to the eighth second.
1/40