Here is ur answer
<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>
Answer:
7,840 
Step-by-step explanation:

Answer:
(B (4, 7 ) = (1, 12 )
Step-by-step explanation:
given
B (x, y ) = (x - 3, y + 5 ) , then
B (4, 7 ) = (4 - 3, 7 + 5 ) = (1, 12 )
So since Kelvin has given 1/5 of his sweets to omar, this means that he has 4/5 sweets left. So all we have to do is find:
45 * 4/5 to find the number of sweets Kelvin has left, which will give us 36.
Hope this helps!