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Maths Puzzle
Numerical Ability
my son needs three interesting facts about algebra
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book Other Question
i dont know what to do with this the instructions say solve the system using the linear combination method and i keep doing it & all i do is get stuck....
PLEASE HELP ASAP i need
a pile contains 1200 coins. Each day penny nichols takes 20% of the coins from the pile. Approximately how many coins remain in the pile after 7 days?
thank you sooo much!!