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Algebra (Pri-6)

/ Algebra Qihua Primary School / Homework (2019)
Peter had  y marbles.Ravi ahd 4 times as many as Peter.(a)how many marbles did Rav have in terms of y?(b)If Ravi had 12 marbles,how many marbles did Peter have?
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January 21, 2019
 
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Peter = yRavi = 4 × Peter = 4y  (ans,a)---Ravi = 4y12 = 4yy = 12 ÷ 4 = 3Peter = 3 marbles  (ans, b)
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January 21, 2019
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