This will be your formula:

cross multiply (32 times x) (120 times 800)
this is what you'll get:
You add all the percentages up and it will give you 64. take 64 and put it over 100 because percentages as a fraction will always be the amount over a 100.
so its 64/100 multiply by 4000/1. 64*4000= 256000 over 100. 256000 divided by 100 = 2560
$2560
Answer:
So sorry , but the pic isn't very seen well
You have to insert the passage first