The length of a rectangular garden path is 120cm and the width is 630cm Asim is going to cover the path with paving each paving stone is a square of side 30cm, each paving stone costs £2.50
How many paving stones will it take to cover the path and how much will the cost asim to buy?

Step-by-step explanation:

First of all, and most importanty you start by checking the units, since all these units (cm) are uniform you can then go on to multiply 120 by 630, this gives you the total area of the rectangular garden path, after you have done this keep your answer aside, now find the area of the paving stones(1) this is going to be 30 times 30 since it is a square,keep this answer aside too,

take your first answer (120 times 630) and divide it by (30 times 30) your answer is the number of tiles needed to cover the gardenpath, to find the cost you have to multiply the number of tiles needed to cover the garden path by the price of each tile, this will give you your second answer.

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step-by-step explanation:

the correct answer option is (2x-3)(2x+3).

step-by-step explanation:

we are given the following expression and we are to factorize it:

we are to find such factors that when multiplied they give a result of 36 (9 x 4 = 36) and when added they give a result of 0.

the two such factors of 36 are negative six and postive six.

factorizing the given expression to get:

therefore, the correct factorization of is (2x-3)(2x+3).