Posted by **luke** on Thursday, May 22, 2008 at 10:59am.

in a series of stamps annie must buy six of each

one cost $4.00

one cost $2.50

one cost $1.20

one cost $1.00

she had to post a parcel and totals cost of postage was $25.70.what stamps can she use from the selection to make up this amount using

a)as many $4.00 stamps as possible

b)all her $1.00 stamps

c)what is the largest # that she can use from her collection to post the parcel

d)list the stamps she can use

- math -
**Ms. Sue**, Thursday, May 22, 2008 at 11:14am
I'll get you started.

To get the $0.70, she'll need to use one $2.50 stamp and one $1.20 stamp in each situation.

$25.70 - $3.70 = $22.00

a) five $4.00 stamps + two $1.00 stamps + one $2.50 stamps + one $1.20 stamps

b) six $1.00 stamps + one $2.50 stamps + one $1.20 stamps + ???

We'll be glad to check your answers.

- math -
**tchrwill**, Thursday, May 22, 2008 at 4:33pm
in a series of stamps annie must buy six of each

one cost $4.00

one cost $2.50

one cost $1.20

one cost $1.00

she had to post a parcel and totals cost of postage was $25.70.what stamps can she use from the selection to make up this amount using

a)as many $4.00 stamps as possible

b)all her $1.00 stamps

c)what is the largest # that she can use from her collection to post the parcel

d)list the stamps she can use

Must use all the $1.00 stamps.

Therefore 25.70 - 6.00 = 19.70

The maximum number of $4.00 stamps now useable is 4.

Therefore, 19.70 - 16 = $3.70

Using 1 $1.20 and 1 $2.50 makes $3.70.

Therefore:

6 + 1.20 + 2.50 + 16 = $25.70

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