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zzz [600]
3 years ago
13

Please help with these two! Take your time.

Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0

Answer:

#7=1360

#9=6802

Step-by-step explanation:

#7:25%=340

100x340 divided by 25%


<h2>#9:76% of 8950=6802</h2><h2>76/100x8950=6802</h2>
ratelena [41]3 years ago
3 0

Answer:

7. 1,360 students.

9. 6,802

Step-by-step explanation:

Problem 5 is correct. The answer is 160.

Problem 7.

If 75% of the students do not wear glasses, then 25% of the students do wear glasses since 100% - 75% = 25%.

25% of the students is 340 students.

x is the total number of students.

340/x = 25/100

25x = 340 * 100

25x = 34,000

x = 34,000/25

x = 1,360

Answer: 1,360 students

Problem 9.

You must find 76% of 8,950.

8,950 is 100%. You want 76%. You can use a proportion, or you can simply multiply 76% by 8,950.

<em>Proportion method:</em>

8,950/100 = x/76

100x = 8,950 * 76

100x = 680,200

x = 6,802

Answer: 6,802

<em>Multiplication method:</em>

76% of 8,950 =

= 76% * 8,950

= 0.76 * 8,950

= 6,802

Answer: 6,802

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Answer:

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==============================

I hope I am understanding this one correctly...

let x = price the store paid

x + 1/2x = 170.67

2/2x + 1/2x = 170.67

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===========================

the difference between the discount price..I am assuming this is the $ 128 from part A.....and what the store paid....113.78...from part B..

128 - 113.78 = $ 14.22 <==

I am not completely sure about B and C......B confused me.....and if B is wrong, so is C.

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