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tigry1 [53]
3 years ago
9

Which explains the error Krista made?

Mathematics
1 answer:
MariettaO [177]3 years ago
4 0
A is the right option! Because 0.40 should be in second equation with the x to represent the number of stamps multiply by 40 cents.
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This equation shows how the cost of a charity gala depends on the number of attendees. d = 5.1a + 11.6 The variable a represents
aleksandr82 [10.1K]

$98.30=5.1a+11.6
98.30-11.6=5a+11.6-11.6
86.7=5a
86.7/5=5a/5
17.34=a
So only 17 people can attend

5 0
3 years ago
Today, everything at a store is on sale. The store offers a 20% discount.
lukranit [14]

Answer: A- x - 0.20x = 0.8x

Step-by-step explanation:

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3 years ago
Please help I'm on a test right now!!​
Svetach [21]
The answer would be 7-x.
8 0
3 years ago
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CAN SOMEONE GIVE ME THE STEPS I HAVE THE ANSWERS I JUST NEED THE STEPS
natali 33 [55]

Problem 1:

1) 3/5x-1 x 3/4=9/10

3x/5-1 x 3/4=9/10

2) 3x/5-1 x 3/4=9/10

3x/5-3/4=9/10

3) 3x/5-3/4=9/10

+3/4 +3/4

4) 3x/5=33/20

5) 5 x 3x/5= 5 x (33/20)

6) 3x=33/4

7) 3x=33/4

/3 /3

8) x=11/4

Problem 2:

1) 6/7+2/5x=-4/5

6/7+2x/5=-4/5

2) 6/7+2x/5=-4/5

-6/7 -6/7

3) 2x/5= --58/35

4) 5 x 2x/5= 5 x (--58/35)

5) 2x= --58/7

6) 2x= --58/7

/2 /2

x= --29/7

3 0
3 years ago
steven is makin burgers 1/3 of a pound each. if he has 6.02 pounds of meat how many burgers can he make
vodomira [7]

Answer:

20

Step-by-step explanation:

4 0
3 years ago
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