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Monday:

On Friday, Bailey's checking account balance was $615.80 On Saturday, she deposited $145 and made a withdrawal of $87. On Sunday, she transferred 40% of the money in her checking account to her savings account. How much money is left in Baileys checking account

Tuesday:

Samantha bought 3 items at the same price and 1 item for $6.40. If Samantha's total was $19.00 before tax, what was the individual price of the 3 items?

Sophia purchased 3 plants for x dollars each and 3 pots for $4.50 each. Her total cost was $28.50. This equation represents the cost per plant: 3(x+4.50)=28.50
What is the cost per plant?
A. $3.00 B. $5.00
C. $7.50 D. $10.00

Marcus is buying 4 notebooks for x dollars each and 4 pens for $2.75 each. He spent a total of $22.00. This equation can be used to find the cost per notebook: 4(x+2.75)=22.00
What is the cost per notebook?
A. $2.75 B. $3.00 C. $4.25 D. $5.00

1 answer

Monday:

  1. Initial Balance on Friday:

    • Bailey's checking account balance = $615.80

  2. Deposits and Withdrawals on Saturday:

    • Deposited = $145
    • Withdrawn = $87
    • New balance after Saturday = $615.80 + $145 - $87
    • New balance = $615.80 + $145 - $87 = $673.80

  3. Transfer on Sunday:

    • Transferred 40% of the balance to savings account = 0.40 * $673.80 = $269.52
    • Remaining balance in checking account = $673.80 - $269.52
    • Remaining balance = $673.80 - $269.52 = $404.28

Bailey has $404.28 left in her checking account.

Tuesday:

  1. Samantha's Purchases:

    • Let the price of each of the 3 items be \( p \).
    • Total cost equation: \[ 3p + 6.40 = 19.00 \]
    • Simplifying: \[ 3p = 19.00 - 6.40 \] \[ 3p = 12.60 \] \[ p = 12.60 / 3 = 4.20 \]
    • Each of the 3 items costs $4.20.

  2. Sophia's Plants:

    • \( 3(x + 4.50) = 28.50 \)
    • Simplifying: \[ 3x + 13.50 = 28.50 \] \[ 3x = 28.50 - 13.50 \] \[ 3x = 15.00 \] \[ x = 15.00 / 3 = 5.00 \]
    • The cost per plant is $5.00 (B).

  3. Marcus's Notebooks:

    • \( 4(x + 2.75) = 22.00 \)
    • Simplifying: \[ 4x + 11.00 = 22.00 \] \[ 4x = 22.00 - 11.00 \] \[ 4x = 11.00 \] \[ x = 11.00 / 4 = 2.75 \]
    • The cost per notebook is $2.75 (A).

Summary:

  • Bailey has $404.28 left in her checking account.
  • Each of the 3 items Samantha bought costs $4.20.
  • The cost per plant for Sophia is $5.00 (B).
  • The cost per notebook for Marcus is $2.75 (A).