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Mariana [72]
2 years ago
8

Help me! giving brainliest and lots o' points!

Mathematics
2 answers:
scZoUnD [109]2 years ago
8 0

Answer:

2. $76.5

3. $10.12

Step-by-step explanation:

2. 110 × .35 = 38.5

110 - 38.5 = 71.5

71.5 × 1.07 = 76.50

3. 9 × 1.04 = 9.36

9.36 × 1.04 = 9.73

9.73 × 1.04 = 10.12

<em>good luck, i hope this helps :)</em>

Andre45 [30]2 years ago
7 0

2)76.5     110*0.35= 38.5,   110-38.5=71.5*0.07=5.005 or 5,  71.5+5=76.5

3)10.12    y1:9.36, y2:9.73, y3:10.12

4)28 minutes   32*0.08=2.56, 32-2.56=29.44*0.05=1.472, 29.44-11.472=27.968

5)$84   875*0.2=175,    875+175=1050*0.08=84

6)$467.04  562*0.2=112.4, 562-112.4= 449.6*0.06=26.976+449.6=

476.576*0.02=9.53152, 476.576-9.53152=476.04

7)store A, $12.24 a)612*0.3=183.6, 612-183.6=428.4

       b)612*0.2=122.4, 612-122.4=489.6*0.1=48.96 489.60-48.96=440.64

          440.64-428.4=12.24

8)$37.51  tip:32.57*0.18=5.86

   32.57*0.1=3.26,  32.57-3.26=29.31*0.08=2.34, 29.31+2.34+5.86=37.51

9) going of $100 as the price the overall 25% discount to get a final price of $75 would be of a better value, because when you calculate the other 2 options you get the same answer of $76.5.

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

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We're told that "40 people responded that they use mouthwash". That means we'll write "40" at the very end of the "use mouthwash" row. This represents the total number of people who use mouthwash, since we're underneath the "total" in that far right column.

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---------------------

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