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  1. math_celebrity

    Danny buys 5 books at $34 each and pays for them with 10-dollar bills. How many $10 bills did it tak

    Danny buys 5 books at $34 each and pays for them with 10-dollar bills. How many $10 bills did it take? Calculate his total bill: Total bill = Number of books * cost per book Total bill = 5 * 34 Total bill = 170 Now calculate the number of 10-dollar bills he used: 10-dollar bills used = Total...
  2. math_celebrity

    Write an expression for the amount of money in p pennies plus 7 dollars.

    Write an expression for the amount of money in p pennies plus 7 dollars. Each penny is worth 0.01, so we have: 0.01p + 7d
  3. math_celebrity

    Kerry asked a bank teller to cash 390 check using 20 bills and 50 bills. If the teller gave her a to

    Kerry asked a bank teller to cash 390 check using 20 bills and 50 bills. If the teller gave her a total of 15 bills, how many of each type of bill did she receive? Let t = number of 20 bills and f = number of 50 bills. We have two equations. (1) 20t + 50f = 390 (2) t + f = 15 Rearrange (2)...
  4. math_celebrity

    Elli is purchasing 2.75 pounds of jelly beans which are priced at 4.85 per pound. How much change sh

    Elli is purchasing 2.75 pounds of jelly beans which are priced at 4.85 per pound. How much change should she get back from a 20? The total bill is 4.85 per pound * 2.75 pounds = 13.34 Her change from a 20 is 20 - 13.34 = 6.66.
  5. math_celebrity

    Laura spent half of her money on a necklace. She spent 14.60 of what was left having dinner with car

    Laura spent half of her money on a necklace. She spent 14.60 of what was left having dinner with carolyn. if she had 3.90 left, how much money did she start out with? Let x equal Laura's starting money 1/2x = 14.60 + 3.90 1/2x = 18.5 Divide each side by 1/2 x = $37
  6. math_celebrity

    7 bananas at 15¢ each

    We have 15 cents times 7 bananas = $1.05
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