Question

How many 15 inch steel rods can you cut from the 20- foot rod

Answer 1

Hi,

20ft * 12 in/ft = 240in

5(15) + 16 + 15x = 240

95 + 16 + 15x = 240

111 + 15x = 240

15x = 129

x = 8.6

Answer: 8

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