IDNLearn.com: Where your questions meet expert advice and community support. Get the information you need from our community of experts who provide accurate and thorough answers to all your questions.
Answer:
5 inch - first board
10 inch - second board
20 inch - third board
Step-by-step explanation:
x = first board
board two = 2x
board three =4x
x+2x+4X=35
7x=35
x=5 inch - first board
10 inch - second board
20 inch - third board