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Bezzdna [24]
2 years ago
8

Alex buys 7 dvds . each dvds costs $12 .if alex receives a $4 discount on each dvd , what is the total amount of money alex spen

ds? write an expression that matches the words.
Mathematics
1 answer:
77julia77 [94]2 years ago
3 0
7(12-4) or (12-4)*7 either is fine
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almond37 [142]

Answer:

Step-by-step explanation:

32 is the correct answer

6 0
2 years ago
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Pls answer me this all question​
Scorpion4ik [409]

Answer:

a. 5 \frac{21}{40}

b. \frac{1}{42}

Step-by-step explanation:

a. \: 12 \frac{2}{5}  - 6 \frac{7}{8}

\frac{62}{5}  -  \frac{55}{8}

\frac{62}{8}  \times   \frac{8}{8}  -   \frac{55}{8}   \times  \frac{5}{5}

\frac{62 \times 8 - 55 \times 5}{40}

\frac{221}{40}

5 \frac{21}{40}

b. \:  \frac{3}{14}  -  \frac{4}{21}

\frac{3}{14}  \times  \frac{3}{3}  -  \frac{4}{21}  \times  \frac{2}{2}

\frac{3 \times 3}{42}  -  \frac{4 \times 2}{42}

\frac{1}{42}

Hope it is helpful....

5 0
3 years ago
Read 2 more answers
What is 30 divide by 4?
Sedaia [141]

Answer:

30 ÷ 4 = <em>7.5</em>

Step-by-step explanation:

This means that:

7.5 fits into 30 4 times

Example:

7.5    +   7.5     +    7.5    +     7.5

 \______\______/_______/

                    30

I hope this helps!

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>
7 0
3 years ago
a pizza shop offers 30% off the price of a large pizza every Tuesday night. If the regular price is $25, what is the discounted
Elina [12.6K]
You need do like 25$--------100% of real price
                         x$---------70%


25x70=100<u>x</u>
1,750=100<u>x</u>
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5 0
3 years ago
Read 2 more answers
41. Suppose a family drives at an average rate of 60 mi/h on the way to visit relatives and then at an average rate of 40 mi/h o
Afina-wow [57]

Answer:

The answer is below

Step-by-step explanation:

a) Let x represent the time taken to drive to see the relatives and let d be the distance travelled to go, hence:

60 mi/h = d/x

d = 60x

When returning, they still travelled a distance d, since the return trip takes 1 h longer than the trip there, therefore:

40 mi/h = d/(x+1)

d = 40(x + 1) = 40x + 40

Equating both equations:

60x = 40x + 40

60x - 40x = 40

20x = 40

x = 40/20

x = 2 h

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b) The time taken for return trip = x + 1 = 2 + 1 = 3 hours

c) The distance d = 60x = 60(2) = 120 miles

The total distance to and fro = 2d = 2(120) = 240 miles

The total time to and fro = 2 h + 3 h = 5 h

Average speed = total distance / total time = 240 miles / 5 h = 48 mi/h

5 0
2 years ago
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