Constructing Linear E quations. Q1 I think of a number , add 7, multiply by 3, subtract 3, divide by 6, then multiply by 12. The answer is 72. Find the number I was thinking of. Constructing Linear E quations.
Q1 I thinkof a number, add 7, multiplyby 3, subtract 3, divide by 6, thenmultiplyby 12. The answeris 72. Findthenumber I wasthinking of.
Q2 The number in eachsquareisthe sum ofthenumbersoneitherside.
Ifyoumanagedtofindtheanswers, canyouthinkofanotherwayto do this?
Q3 Adriennehasthree times as manydollars as Karim. AdriennegivesKarim $20. Shethenhas $5 more dollarsthanKarim. Howmuch does Adriennehavenow?
Q4 Joy´sAuntieMary is four times as old as Joy. Ifthe sum oftheir ages is 70, findtheir ages.
Q5 The sum ofsixconsecutiveevennumbersis 174. Whatisthesmallestofthenumbers?
Q6 The sum ofsevenconsecutiveoddnumbersis 133. Whatisthelargestofthenumbers?
Q7 The sum oftwonumbersis 56, andtheirdifferenceis 14. Whatistheirproduct?
Q8A cuboidhas a volume of 180cm³. The lengthistwice as big as thewidthandtheheightis 2 cm biggerthanthewidth.