Fig. 14.36 3 A concrete floor is 4 m long and 3 m wide. Calculate: a the area of the floor, b the cost of making the floor if concrete is N2

Question

Fig. 14.36 3 A concrete floor is 4 m long and 3 m wide. Calculate: a the area of the floor, b the cost of making the floor if concrete is N2 400 per m². What is the area, in m², of the floor of a hall that is 6 metres square? (6 metres square means 6 m by 6 m.)
​

in progress 0
Nem 4 years 2021-08-28T10:04:08+00:00 1 Answers 7 views 0

Answers ( )

  1. thuthuy
    0
    2021-08-28T10:05:42+00:00
    Reply

    Answer:

    Step-by-step explanation:

    Area of floor = length * width

                         = 4 * 3

                         = 12 sq.m

    Cost of making the floor = 12 * 2400

                                             = N 28800

Leave an answer

Browse

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