exam
Maths Puzzle
Numerical Ability
The hypotenuse of a right triangle is 60 cm. If one leg is five centimeters longer than the other leg, what is the length of the legs?
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2. A cell divides into two identical copies every 4 minutes. How many cells will exist after 3 hours?
t.21
solve and state the solution for the system by substitution.
x+3y=12
-5-4y=-16
t.22
solve and state the solution for the system by addition
3x+4y=-1
6x-2y=3