A board 180 cm long is cut into two pieces such that 3 times the length of the larger piece is 85 cm longer than 4 times the len

Question

3 years ago

14

gth of the smaller piece. How long are the two pieces of board?

1 answer:

zaharov [31] · Answer 1 · 2022-05-13T02:42:58+03:00

8 0

Answer:

smaller piece is 65cm

larger piece is 115cm

Step-by-step explanation:

let 's' = smaller piece

let '180-s' = larger piece

3(180-s) = 85 + 4s

540 - 3s = 85 + 4s

540 = 85 + 7s

455 = 7s

s = 455/7 which is 65cm

larger piece = 180-65 or 115cm