exam Maths Puzzle Numerical Ability

John increased the area of his garden by 120 ft^2. The original garden was 12 ft. by 14 ft., and he increased the length and the width by the same amount. Find the exact dimensions of the new garden and approximate the dimensions in feet and inches.

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exam Other Question

Solve the problem. Clearwater Community College had 1242 students enrolled in 1998 and 980 students enrolled in 1999. Find the percent of decrease in the number of students from 19 x+3y+5z-4w=1
X+3y+z-2w+v=-1
x-2y+z-w-v=3
x-4y+z+w-v=3
x+2y+z-w+v=-1