Mathematics, 30.11.2019 17:31 adenn3693

My dad has 8 oak and maple boards from the lumber yard. each oak board is 9 centimeters thick. each maple board is 6 centimeters thick. when my dad stacks the boards, the stack is 60 centimeters thick. how many of each type of board does he have

_oak boards
_maple boards

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My dad has 8 oak and maple boards from the lumber yard. each oak board is 9 centimeters thick. each...