What would you pay for 2 1/2 kg of tomatoes at £1.50 per kg? ?

2 and a half kg of tomatoes- 1.50 per kg. 
Since we know how much it costs per kg and we know how many kg's there are (2)  we would add 1.50 and 1.50 to make 3.  and about  half of 1,50 is 75 so I would say £3.75

Now this is something bill nye the science guy should ’s still on disney right?

What do jane knows to plan her visit