a merchant gains 15% by selling an article for $ 150. by how much does he sell it to double his profit ?
2 answers:
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Answer:
Step-by-step explanation:
volume of a prism =base area * length
35 = base area * 7
35/7 = base area
5 cm^2 =base area
base area=
5=
5=2*h
5/2=h
2.5=h