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Question

Kate had twice the number of toy bricks as Jake. Jake used all his bricks to build 5 identical cars. Kate used all her bricks to build 7 identical cars. Kate used 9 more bricks than Jake for each car. How many bricks did Kate have?

Answer

post-23000

Hope it  helps 🙂

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thank you so much

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You’re welcome 🙂

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Alternatively,

5 x number of toy bricks used for 1 of Jake’s cars ——- 1u

10 x number of toy bricks used for 1 of Jake’s cars——- 2u

7 x (number of toy bricks used for 1 of Jake’s cars + 9) ——- 2u

3 x number of toy bricks used for 1 of Jake’s cars ——- 7 x 9 = 63

number of toy bricks used for 1 of Jake’s cars ——-63/3 = 21

(21 + 9) x 7 = 210

Ans : 210 bricks.

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thanks alfretztay

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welcome, anastasialiang

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