1/3 x 4/5 = 4/15
No. It is three thirty, but in five minutes time it will be three thirty-five.
45
It is 600
The length of time is equal to the time it takes to paste a stamp on the envelope, address it, and put it in the mail box.
If you add the number 5, 5 times, it is 5+5+5+5+5, which happens to equal 25
Over time, horses have evolved to be taller - the original 'horse' from just after the extinction of the dinosaurs was about the size of a beagle. Also, horses used to have five toes. Over the millenia horses have dropped from five toes, to three, to the one seen today.
No.
it = speed over time
Yes.
Y
Five past eleven, morning time
seven