<span>Let x be
additional food item the homeroom B should collect to have greater item per student than
homeroom A.</span>
(22 +24 + x) /
16 > (30 + 42 + 21) /24
(22 +24 + x)
> 3.875 (16)
X > 16
<span>So they should
collect more than 16 food item to have a greater item per student</span>
A checking account is a liability
If there is 4 thousands and 7 hundreds is 4,700