10th 3770 Andre wants to save $40 to buy a gift for his dad. Andre’s neighbor will pay him weekly to mow the lawn, but And

Question

10th
3770
Andre wants to save $40 to buy a gift for his dad. Andre’s neighbor
will pay him weekly to mow the lawn, but Andre always gives a $2
donation to the food bank in weeks when he earns money. Andre
calculates that it will take him 5 weeks to earn the money for his
dad’s gift. He draws a tape diagram to represent the situation.
Explain how the parts of the tape diagram represent the story.

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Tài Đức 6 months 2021-08-27T21:02:10+00:00 1 Answers 0 views 0

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    2021-08-27T21:03:49+00:00

    Answer:

    10cm represents $10

    2cm represents $2

    10cm also represents 1week

    For every week Andre checks 10cm, deduct 2cm which represents $2 donation for food bank, and remaining 8cm represents $8 left for his Dad’s gift.

    in 5weeks, which is 50cm, save $8 per week/ per 8cm = $8 × 5 = $40

    in 5weeks, which is 50cm, he donate $2 per week/ per 2cm = $2 × 5= $10

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )