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drek231 [11]
3 years ago
8

a student finished 8 of her homework problems in class If the ratio of problems she finished two problems she still have left wa

s 4 to 1 how many homework problems did she have total​
Mathematics
1 answer:
Eddi Din [679]3 years ago
8 0

Answer:

10 total

Step-by-step explanation:

4:1 = 8:x.  You should see immediately that she has 2 left to do, but if you don't see x, cross multiply and solve.

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A theme park had 1099 visitors in 3 days.There were twice as many visitors on saturday than on Friday.There were 234 more visito
Blababa [14]

Answer: there were 692 visitors on Saturday.

Step-by-step explanation:

Let x represent the number of visitors that were there on Friday.

Let y represent the number of visitors that were there on Saturday.

Let z represent the number of visitors that were there on Sunday.

The theme park had 1099 visitors in 3 days. It means that

x + y + z = 1099- - - - - - - - - - - - - -1

There were twice as many visitors on saturday than on Friday. This means that

y = 2x

x = y/2

There were 234 more visitors on Sunday than on Saturday. This means that

z = y + 234

Substituting x = y/2 and z = y + 234 into equation 1, it becomes

y/2 + y + y + 234 = 1099

Cross multiplying by 2, it becomes

y + 2y + 2y + 468 = 2198

5y = 2198 - 468

5y = 1730

x = 1730/5

x = 346

y = 2x = 2 × 346

y = 692

z = y + 234 = 692 + 234

z = 926

3 0
3 years ago
25% of what number equals 7?
wlad13 [49]
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When asked to factor the trinomial 6x^2-18x+12, a student gives the answer (x-2)(x-1). What is one thing wrong with this answer?
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Please explain this to me<br>​
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Answer: i dont know

Step-by-step explanation:

8 0
3 years ago
A math thing<br> 1. 3x + 2 = x + 4
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