Problem $21-22($Algo$)$

Product A consists of three units of Subassembly B$,$ three units of C$,$ and one unit of D$.$ B is composed of two units of $E$ and three units of $F.C$ is made of three units of $H$ and four units of $D.H$ is made of five units of $E$ and two units of $G.$

d$.$ To produce $90$ units of $A,$ determine the numbers of units of $B,C,D,E,F,G,$ and $H$ required.

$\backslash$table$[[,],[,$units of $B$