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1 year ago

Sally ate lunch at a restaurant.

Mathematics

2 answers:

Anni [7]1 year ago

8 0

Answer:

$174.46

Step-by-step explanation:

First you need to find out how many days total she's bought pizza over four weeks (12 days/28 days). Then multiply 12 by 13.42 (days by pizza price) which equals 174.46. That's how i got my answer. Hope it helps.

Paraphin [41]1 year ago

4 0

She spent a total of 161.04

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Answer:

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Step-by-step explanation:

7% of 43.75 = 0.07 × 43.75 = 3.0625

43.75 increase 7% =

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Total: $46.81

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3 years ago

A father's age is thrice the sum of the ages of his two children. After five years, his age will be

jenyasd209 [6]

Answer: 45 years old

Step-by-step explanation:

<u>Given:</u>

- Father's age is thrice the sum of ages of his two children

- After five years, his age will be twice the sum of their ages

Let x be the two children's current age and 3x be the father's current age

<u>Solve:</u>

Set equation

3x + 5 = 2 ( x + 10 )

Expand parenthesis

3x + 5 = 2x + 20

Subtract 5 on both sides

3x + 5 - 5 = 2x + 20 - 5

3x = 2x + 15

Subtract 2x on both sides

3x - 2x = 15

x = 15

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Hope this helps!! :)

Please let me know if you have any questions

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2 years ago