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Sholpan [36]
3 years ago
10

Christine received a $70 gift card for a coffee store. She used it in buying some coffee that cost $7.52 per pound. After buying

the coffee, she had $47.44 left on her card. How many pounds of coffee did she buy?
__ pounds
Mathematics
1 answer:
Sonbull [250]3 years ago
5 0

Answer:

3

Step-by-step explanation:

take 70 and subtract the amount left, which is $22.56 divide that by 7.52 and you get your answer of 3

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Write2.1 as a mixed number and as an improper fraction.<br> Do not try to simplify your answers.
Elden [556K]

Answer:

2 1/10 and 21/10

Step-by-step explanation:

2.1 is 2 + 0.1 when expanded.

2 is just 2 and then 0.1 as a fraction is 1/10. The mixed number would be                 2 1/10.

The improper fraction  is just 21/10 (convert the mixed number into improper form).

Converting from mixed number to improper: <u>Multiply the number in the front (in this case 2) by the denominator. </u>

<u />

<u>That is 2 x 10 which is 20. Then add that number (20) to the numerator. 20 + 1 is equal to 21. </u>

<u />

<u>21 would be our numerator and the denominator would stay the same (10). </u>

21/10 is the improper form.

8 0
2 years ago
What is 3/5 subtracted from 21/25​
german

Answer: -6/25

Step-by-step explanation: The fractions have unlike denominators. First, find the Least Common Denominator and rewrite the fractions with the common denominator.

LCD(3/5, 21/25) = 25

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1. Finish the multiplication The two fractions now have like denominators so you can subtract the numerators.The two fractions now have like denominators so you can subtract the numerators. Then boom you have -6/25 good luckkkkkkk

5 0
3 years ago
Read 2 more answers
1. Find the product of 2.6 x 107 and 6.3 x 16
qaws [65]

Answer:

28'042.56

Step-by-step explanation:

2.6 x 107=278.2

6.3 x 16= 100.8

278.2x100.8=28'042.56

7 0
3 years ago
Read 2 more answers
13. Solve 32x+3 = 243 for x.
Alika [10]
The Answer should be 7.5 
If you would like me to elaborate, let me know
7 0
3 years ago
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What is the equation of the line that passes through the point (-4, -6) and has a<br> slope of – ?
Dimas [21]

Answer:

<h2>y= -x -10</h2>

y=mx+b

plug in -6 for y and -4 for x and - for m

-6=-(-4)+b

solve for b

b=-10

set up equation

6 0
3 years ago
Read 2 more answers
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