Question

Yesterday, `7/8` of the 64 students in a contest gave their speeches. How many students gave their speeches?

Answer 1

56

Explanation:

Although not normally done it is correct to write `64` as `64/1`
It is very rare for you to see this used.

Also, in mathematics, the word 'of' is 'translated" to multiply.

Example: 2 of 6 `-> 2xx6`

So `7/8` of 64 `->7/8xx64/1 color(white)("d")->color(white)("d") 7/1xx64/8 larr "notice the 1 and 8 has swapped "`

When multiplying you can change the order.
Example: `2xx3=3xx2=6`

Note that `64-:8=8` giving:

`7/1xx64/8 color(white)("d") ->color(white)("d") 7xx8=56`