Mathematics
Mathematics, 06.03.2021 20:30, nickp1233

20 point has 2 questions instead on 1 so thats why its 20 and not 10 Savannah buys a $40 gift card to her favorite smoothie shop. Each smoothie costs $4. She wants to have at least $10 left on her card at the end of this month. The inequality below relates x, the number of smoothies she could buy between now and the end of this month with her gift card balance.
40 minus 4 x greater-than-or-equal-to 10
Which best describes the number of smoothies Savannah can buy?
She can buy from 0 to 3 smoothies, but no more.
She can buy from 0 to 7 smoothies, but no more.
She can buy from 0 to 8 smoothies, but no more.
She can buy from 0 to 10 smoothies, but no more.
Soro bought a $50.00 bus card at the beginning of the week. Each bus ride costs $2.50. He needs to have at least $20.00 on his card at the end of this month. To determine how many bus rides he can take between now and the end of this month, Soro wrote and solved the following inequality:

50 minus 2.5 x greater-than-or-equal-to 20. Negative 2.5 x greater-than-or-equal-to negative 30. x greater-than-or-equal-to 12.

What error, if any, did Soro make when writing or solving this inequality?
Soro’s original inequality should have been 50 minus 2.5 x less-than-or-equal-to 20 .
Soro should have added 2.5 to each side for his first step.
Soro should have reversed the inequality symbol when using the division property of inequality.
Soro’s work shows no errors.

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Answers: 2

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20 point has 2 questions instead on 1 so thats why its 20 and not 10 Savannah buys a $40 gift card...

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