exam
Maths Puzzle
Numerical Ability
can someone help me solve: given logb</sub>3 = 0.6826
and logb</sub>7 = 1.2091, evaluate logb</sub>21.
completely lost.</PRE>
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exam Other Question
Solve the problem. The perimeter of a rectangle is 62 m. If the width were doubled and the length were increased by 21 m, the perimeter would be 120 m. What are the length and width of the rectangle?
Write the percent as a fraction in simplest form.
3.15%
Any help with this equation would be Greatly</b> appreciated.