word problem

Question

A customer at a bank deposit 2 one hundred-dollar bills,8 twenty-dollar bills,5 five-dollar bills,20 one-dollar bills,2 rolls of quarters,25 dimes and 95 pennies. How much money will be deposited  in all? Note : one roll of quarters = 40 quarters

Please explain we can calculate thes quarters,dimes and pennies.

Answer 1

 

        2*100  = 200.00     2 one hundred-dollar bills

         8*20  =  160.00     8 twenty-dollar bills

         5*5    =    25.00     5 five-dollar bills

        20*1   =    20.00     20 one-dollar bills

2*40*0.25  =    20.00     2 rolls of quarters, 40 quarters each= 80 quarters*0.25 = 20.00

  25*0.10    =      2.50     25 dimes

  95*0.01    =      0.95     95 pennies  (actually, these are cents)

                       ----------

                      $428.45

Answer 2

Hi Humaira,

We solve this problem by breaking down the given information, piece by piece as follows:

Step one: Use the information given for each Bank deposit. Our general formula is (value of the coin)x(how many coins of this type are present)=total monetary value.

2 one hundred-dollar bills is $200 (because $100+$100=$200)

8 twenty-dollar bills is $160 (because $20x8=$160)

5 five-dollar bills is $25 (because $5x5=$25)

20 one-dollar bills is $20 (because $20x1=$20)

2 rolls of quarters is $20 (because $0.25x80= $20. We knew to multiply the value of a quarter, .25 by 80 because we are told that one roll is 40 quarters. We then reason that two rolls must have 40+40=80 quarters)

25 dimes is $2.5 (because $0.10x25=$2.5)

95 pennies is $9.5 (because $.01x95=$9.5)

Step Two: Add together our solved values for each expression:

Total deposit=$200+$160+$25+$20 $20+$2.5+$0.95=$428.45

∴We can calculate these quarters, dimes, and pennies by finding their dollar value equivalents and adding together the total monetary values. Here, we have a total of $428.45.

Best, 

Starlyte H.