Question

Evie is making green cards and purple cards in the ratio 7:3. She has made 12 green cards so far and has 72 more green cards to make. How many purple cards will she need to make?​

Answer 1

total number of green cards she wants to prepare = 12+72 = 84

let the green card be 7x and purple be 3x

so, 7x = 84

=> x = 12

so the number of purple cards she needs to make = 3(12)= 36

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Answer 2

Answer:

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