exam
Maths Puzzle
Numerical Ability
the first number increased by 7 is equal to twice a second number. the second number increased 9 is equal to three times the first. find these two numbers
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exam Other Question
on this problem i had troubles and wasnt sure what to do can someone fill me in?? write in the simplest form without negative exponents. it is
(2/(over) 3)^-2 (4/(over)5)^-1
Convert 20 miles per hour to feet per second