Jalen is saving for a new tablet. It costs $120, including tax. He has already saved $50. Write an equation to represent how much more he needs to save (x).

Question

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1 point
x + 50 = 120
50x = 120
50 + 120 = x
x - 120 = 50
Isabella bought packs of stickers to give to her friends. Each pack costs $3. She spent a total of $18 on stickers. How many packs did she buy? Write an equation to represent this situation.
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1 point
18x=3
x + 3 = 18
3x = 18
3/18 = x
Byron has money in his savings account. He spent $40 of it on a new winter coat. He has $80 left. How much money did he have in his savings account before he bought the winter coat?
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1 point
x = $40
x= $120
x = $2
x = $3200
Zayan brought Oreos to share with his 8 friends. Each friend received 3 Oreos. How many Oreos did he bring in all?
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1 point
x/3 = 8; x=11
x/3 = 8; x = 24
x/3 = 8; x = 5
x/3 = 8; x = 30
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Answer 1

Let's analyze each situation one by one:

1. Jalen's Savings for a Tablet:

   • Jalen needs to save a total of $120 and he has already saved $50. We can define \( x \) as the amount he still needs to save. The equation representing this situation is: \[ x + 50 = 120 \] So the correct answer is x + 50 = 120.

2. Isabella's Stickers:

   • Isabella spent $18 on packs of stickers, with each pack costing $3. If we let \( x \) represent the number of packs she bought, the equation would be: \[ 3x = 18 \] So the correct answer is 3x = 18.

3. Byron's Savings Account:

   • Byron spent $40 and has $80 left. Let \( x \) be the total amount of money Byron had before he bought the coat. The equation can be set up as follows: \[ x - 40 = 80 \] Solving this gives \( x = 80 + 40 = 120 \). Thus the correct answer is x = $120.

4. Zayan's Oreos:

   • Zayan brought Oreos for himself and his 8 friends, with each friend receiving 3 Oreos. To find the total number of Oreos he brought, we have: \[ 3 \times 8 = 24 \] So, if we let \( x \) represent the total number of Oreos, the equation is: \[ x/3 = 8; \quad \text{which gives } x = 24 \] Therefore, the correct answer is x/3 = 8; x = 24.

In summary, here are the correct answers for each question:

1. x + 50 = 120
2. 3x = 18
3. x = $120
4. x/3 = 8; x = 24