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Bezzdna [24]
3 years ago
12

Kelly saves $5 every week. Which expression represents the amount of money, in dollars, Kelly will save in w weeks

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
8 0
Let's say x is the amount of money Kelly saves.  We do not know how many weeks she is saving.  If she was saving for 2, then the equation would be x=5(2).  However, she is saving by w weeks, so the equation is x=5w.
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A compact disc player costs £50 plus 17 1/2% Vat. Calculate the total cost of the compact disc player
Shtirlitz [24]
With Calculator:
To work out the multiplier, take the percentage, divide by 100 and add 1
17.5% / 100 = 0.175
1 + 0.175 = 1.175
£50 x 1.175 = £58.75

Without Calculator:
First work out easy percentages of 50 (if needed use previous answers (such as 10) to work out smaller percentages (such as 5%))
100% = 50
10% = 5
5% = 2.5
2.5% = 1.25
10% + 5% + 2.5% = 17.5%
5 + 2.5 + 1.25 = £8.75
Add this on to the original price:
£50 + £8.75 = £58.75

The total price, including VAT, is £58.75
7 0
2 years ago
I’ll give points + brainalist for correct answer (:
sweet-ann [11.9K]

Answer:

C) 2

Step-by-step explanation:

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6 0
2 years ago
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If we know the diameter of a circle is 10 cm, how long<br> will the circumference be?
mihalych1998 [28]

Answer:

C= π*d

c=  π*10

c= 10 π

c=  10 * π

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3 years ago
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gizmo_the_mogwai [7]

Answer:

Yes it is constant.

Step-by-step explanation:

A constant rate means something "stays" the same.

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A store pays $54 for a briefcase and marks the price up by 20%. What is the new price?
QveST [7]

Answer:

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Step-by-step explanation:

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markup = 54*.2

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New price = original + markup

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8 0
3 years ago
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