Constance (tutor)'s answer to Cristiano Ronaldo's Primary 3 Maths Singapore question.

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Constance (tutor)
Constance (tutor)'s answer
76 answers (A Helpful Person)
1st
$67/ $20 = $3 (whole no.) to find the maximum of sales set she can purchase. the remaining amount will thus be the amount she spend on purchasing water bottles at original price (1 for $7). Hope that it helps