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White raven [17]
3 years ago
9

Write a word problem involving fractions for which you would use the work backward strategy and addition to solve. Include solut

ion.
Mathematics
1 answer:
Delicious77 [7]3 years ago
7 0
Mrs. Annie went to a store, spent half of her money and then $10 more. She went to a second store, spent half of her remaining money and then $10 more. But she then had no money left. How much money did she have to begin with when she went to the first store?
Answer: $60
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B) A prize is divided between three people
dlinn [17]

Answer:

X : Z = 6 : 5

Step-by-step explanation:

X : Y      =  3 :  1

Double both sides

X : Y      =  6 : 2

     Y : Z=        2 :  5

Combined

X : Y : Z     =  6 : 2 : 5

Therefor

X : Z = 6 : 5

    

3 0
3 years ago
1/5 - 2/15 ×1/5 - 2/15​
ValentinkaMS [17]

Answer:

1 /25.

Step-by-step explanation:

Using order of operations, we perform the multiplication first:

1/5 - 2/15 × 1/5 - 2/15​

= 1/5 - 2/75 - 2/15            LCD of 5, 15 and 75 is 75 so we have:

15/75 - 2/75 - 10/75

= 13/75 - 10/75 =  3/75

= 1 /25 (answer).

4 0
3 years ago
Timothy evaluated the expression using x = 3 and y = –4. xy-2 3x2y−4 1. (1 3 )x−1y2 2. (1 3 )3−1(−4)2 3. (1 3 )(1 31 )(−4)2 4. (
Sergio039 [100]
If this is for E2020 the answer is
 D)<span>No, his value of </span><span> should be positive because an even exponent indicates a positive value. 
thats why it was wrong</span>
5 0
3 years ago
Read 2 more answers
HELP me please I need some help on math I ain’t good at it at all
zheka24 [161]

Answer:

y = 3

Step-by-step explanation:

3(2y-3) = -4y+21

6y-9 = -4y+21

10y-9 = 21

10y = 30

10y/10 = 30/10

y = 3

3 0
3 years ago
Solve 5^5x = 20. Round to the nearest ten thousandth
goblinko [34]

Answer:

0.0064

Step-by-step explanation:

3 0
3 years ago
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