A trimaran boat, with a top speed of 48 knots, won the tournament cup in 2010. Its top speed is 6 knots more than 3.5 times the top sp

Question

A trimaran boat, with a top speed of 48 knots, won the tournament cup in 2010. Its top
speed is 6 knots more than 3.5 times the top speed of the winner monohull in the 2007
tournament. Find the top speed of the monohull in the 2007 tournament.

in progress 0
RI SƠ 3 years 2021-09-03T08:20:36+00:00 1 Answers 26 views 0

Answers ( )

    0
    2021-09-03T08:21:43+00:00

    Answer:

    12 knots

    Step-by-step explanation:

    Top speed of the monohull in the 2007 tournament is x, then:

    • 48 = 6 + 3.5x
    • 3.5x = 48 – 6
    • 3.5x = 42
    • x = 42/3.5
    • x = 12

    Answer is 12 knots

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )