Respuesta :

3/8 of 800 is 300.. 3/8 of 800 is really 300.To check, take 3/8 and convert it to .375. Then, find what .375 of 800 is... 300! 
Also, you can see that 3/8 and 800 can easily be converted to a common denominator... 800. So, just add 2 zeros to 3, and you get 300! 
First turn 3/8 into a decimal, which would be .375  Next the key word of in 3/8% of 800 tells us to multiply 3/8% and 800 so since we know 3/8% = .375 in decimal form, lets multiply .375 x 800 = 300 so 3/8% of 800 is 300