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Fractions (Pri-6)

/ Fractions Palm View Primary School / SA2 (2017)
6. At a florist, roses are sold at 4 stalks for $9 while camations are sold at 7 stalks for $6. Mrs Ting bought an equal number of stalks of roses and arnations. She spent $117 more on the roses. (x How many stalks of flowers did she buy altogether? Her sister visited the same florist and spent an equal amount of money on the stalks of roses and carnations. What fraction of the stalks of flowers she bought were roses? b)
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August 20, 2018
 
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4×7=28$9×7=$63$6×4=$24$63-$24=$39$117÷$39=328+28=5656×3=168 (A)$9×2=$18 ( Must Be Same)$6×3=$18 ( Must Be Same)4×2=87×3=2121+8=29829 Is Maybe The Answer ?
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Aug 20, 2018 09:23 AM
Hi Jia Xuan, excellent working :)
August 20, 2018
1 rose = $941 carnation = $67Difference in price (rose is more) = 94 - 67 = 3928Difference in spending (rose is more) = 117So number of roses = number of carnations                             = 117 ÷ 3928                            = 84So total flowers bought = 84 ×2 = 168  (ans)---If money spent is same, let's choose $18 as money spent on eachNo. Roses -> ( 18 ÷ 9 ) × 4 = 8No. of carnations -> ( 18 ÷ 6 ) × 7 = 21So fractions of Roses (of total) = 88 + 21 = 829  (ans)
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August 20, 2018
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