exam Maths Puzzle Numerical Ability

How many 4-inches by 8-inch bricks are needed to build a walk 6ft. wide and 24 feet long?

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exam Other Question

Find values for m and b in the following system so that the solution to the system is (-3,4)
5x+7y=b
mx+y=22 I have a test coming up soom, and the instructor give us some problem for practice, but I am having some problem with the subject, can you explain me this two problems?

2. Suppo