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4 months ago

Solve the proportion/percent problem:

Mathematics

1 answer:

Shtirlitz [24]4 months ago

3 0

The change that Angie will receive from an $100 bill is $38.944.

<h3>How to calculate the value?</h3>

Angie went to the store and bought 3 pairs of tennis shoes that each cost $24. The total cost will be:

= 3 × $24 = $72

Sales tax was then calculated at 6%. This will be:

= 6% × $72

= $4.32

Total cost = Cost + Tax

= $72 + $4.32

= $76.32

Coupon off = 20% × $76.32 = $15.264

Total amount paid = Cost - Coupon

= $76.32 - $15.264

= $61.056

The change gotten will be:

= $100 - $61.056

= $38.944

Learn more about money on:

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Solve the system using substitution. -2x+5y=19 3x-4=y

omeli [17]

Answer:

answer is x=3 and y=5.... so it is (3,5)

Step-by-step explanation:

you want to combine them so y=3x-4 so subsitute y

-2x+5(3x-4)=19

-2x+15x-20=19

+20 +20

13x=39

--- ---

13 13

x=3

now subsitute 3 into x into any problem...

3(3)-4=y

9-4=y

and 9-4 is 5 so it is...

(3,5)

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2 years ago

Carlos has at most $40 to spend on food for a barbeque. He wants to buy hot dogs and hamburgers and then

poizon [28]

Answer:

$8.50

Step-by-step explanation:

I don't know what Alls are, but if Carlos insists, we can calculate how much he can spend on Alls with the expression:

($31.50) + r $\leq$ $40

This says the sum of what Carlos has already spent (hot dogs and hamburgers) plus the amount he spends on Alls (rolls?), r, must be equal to or less than the $40 he has allowed himself to spend.

($31.50) + r $\leq$ $40

r $\leq$ $40 - $31.50

r $\leq$ $8.50

3 0

1 year ago

Andy is hanging wallpaper in his kitchen. He is able to cover of the walls in the room using 6 rolls of wallpaper. What is the n

slamgirl [31]

The number of rolls per wall is one and a half rolls

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2 years ago

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-7x=14 (no solution) a value of x that makes the equation false is...........which when simplified makes the equation into......

erik [133]

Answer:

$\Huge \boxed{x=-2}$

Step-by-step explanation:

$-7x=14$

Dividing both sides by -7.

$\displaystyle \frac{-7x}{-7} =\frac{14}{-7}$

$x=-2$

There is only one solution that satisfies the equation.

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2 years ago

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(x + 20 Solve for x: 2 = 3x Ox= 10 Ox=4 Ox=-14 Ox=-17

maxonik [38]

Answer:

$\pmb{x=10 }$

Step-by-step explanation:

x+20=3x

3x-x=20

2x=20

x=20/2

x=10

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2 years ago

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