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valentinak56 [21]
3 years ago
11

Bob has 6 more times than quarters. He has $1.65 in all. How many coins of each type does he have?

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
8 0

Answer:

3 quarters 9 dimes

Step-by-step explanation:

D=dimes

D-6=quarters

0.10 D + 0.25(D-6) = 1.65

0.10D + 0.25D - 1.5 = 1.65

0.35D = 3.15

Dibide both sides by 0.35

D =9

Q= D-6       Q = 9-6      Q=3

9*0.10 =90          3*0.25= 0.75

$0.75 + $0.90 =$ 1.65

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Elenna [48]

Answer:

It would cost $2.20

Step-by-step explanation:

If 3 cans = $.55

then 3*4 = 12

soooo 4*.55 = 2.20

Hope this helps!!!

3 0
3 years ago
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3(cx - 7) = 9 <br><br>the value of x in the equation is ___
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The answer is x= 10\c
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Evaluating algebraic expressions <br><br><br> B3 - 3a5
lutik1710 [3]

Answer:

3B-15a

Step-by-step explanation:

B3=3B

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3B-15a

8 0
2 years ago
What is the greatest common factor of 8x and 40
Novay_Z [31]
The GCF of 8x and 40 is 8
6 0
3 years ago
What is the solution to this system of linear equations? y − 4x = 7 2y + 4x = 2
erik [133]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>(-1, 3)</em>

▹ Step-by-Step Explanation

y - 4x = 7

2y + 4x = 2

<u>Substitute</u>

y - (2 - 2y) = 7

<u>Solve</u>

y = 3

<u>Substitute</u>

4x = 2 - 2 * 3

<u>Solve</u>

x = -1

<u>Final Answer</u>

(x, y) = (-1, 3)

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

4 0
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