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Ans: 21 cakes were sold

$1848 ÷ (15 + 7) = $84

$84 × 15 = $1260 (Pies)

$84 × 7 = $588 (Cakes)

                   Pies              Cakes

Qty              4p                   1p

Ea               315u                588u

Sales        1260                 588

588u – 315u = 13

273u = 13

1u = 1/21

588u = 588/21 = 28

588 ÷ 28 = 21

 

1 Reply 0 Likes ✔Accepted Answer

Hi THW,

Thank you for the steps and answer.  Is this a heuristic type of question, what type of heuristic question is this?

1 Reply 0 Likes

Qty x Value type of question.

Can also be done by model but I no longer use models to teach students how to do this type of question.

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