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Sergeeva-Olga [200]
1 year ago
7

Keiko got a prepaid debit card and $15 on it. for her first purchase with the card she bought some bulk ribbon at a craft store.

The price of the ribbon was $.21 per yard if after that purchase there was $7.65 left on the card how many yards of ribbon did keiko buy?
Mathematics
1 answer:
kondaur [170]1 year ago
5 0

Answer:

35

Step-by-step explanation:

$15 - $7.65 = $7.35

7.35/.21 = 35

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Todd wants to make a snack of a number of grapes and slices of cheese. He knows that each grape has 2 calories. The slice of che
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Answer:

The answer to your question is:

a) C = 2g + 155c

b) g = 25 grapes

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Step-by-step explanation:

Data

grapes = g = 2 calories

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a) Equation, we consider the amount of grapes and the calores given.

Total calories = C = 2g + 155c

b) We consider that the slices of cheese stays the same

                       2g + 155 = 205

                       2g = 205 -155

                        2g = 50

                        g = 50/2 = 25 grapes

c) Then the number of grapes stays the same

                       2(25) + 155c = 515

                       50 + 155c = 515

                       155c = 515 - 50

                        155c = 465

                        c = 465/155

                        c = 3 slices of cheese

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