Eddie bought a card and a sunflower for $8.20. Jane bought a card and 2 sunflowers for $14. How much did a card cost?

Four operations on decimals and fractions 中文

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Worked solution

12

1. Find the cost of one sunflower by comparing the two purchases

Jane bought 1 card and 2 sunflowers for $\char36{}14.00$ .
Eddie bought 1 card and 1 sunflower for $\char36{}8.20$ .
The difference is exactly 1 sunflower.
Cost of 1 sunflower = $\char36{}14.00 - \char36{}8.20 = \char36{}5.80$

2. Find the cost of one card

Cost of 1 card = Total cost for Eddie - Cost of 1 sunflower
Cost of 1 card = $\char36{}8.20 - \char36{}5.80 = \char36{}2.40$

Answer

$2.40 (option 1)

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Eddie bought a card and a sunflower for $8.20. Jane bought a card and 2 sunflowers for $14. How much did a card cost?

Worked solution

12

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