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kkurt [141]
3 years ago
9

Camila was out at a restaurant for dinner when the bill came. Her dinner came to $32. After adding in a tip, before tax, she pai

d $40. Find the percent tip.
Mathematics
1 answer:
Gnesinka [82]3 years ago
3 0

Answer:

25%

Cause 125%-100%=25%

​

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A farmer planned to plant 120 seeds in all. After planting 10 more seeds each day than was planned, she was able to finish 2 day
zheka24 [161]
Let s=number of seeds and t=number of days...

st=120 and (s+10)(t-2)=120

From the first we can say t=120/s, now using this value of t in the second equation gives us:

(s+10)(120/s-2)=120

(s+10)(120-2s)/s=120

(s+10)(120-2s)=120s

120s-2s^2+1200-20s=120s

2s^2+20s-1200=0

s^2+10s-600=0

(s+30)(s-20)=0, since s>0

s=20, and since she planted s+10 seeds per day to finish two days earlier:

20+10=30

She planted 30 seeds per day.
3 0
3 years ago
The seventh-grade class is building target areas for a PE activity. The bases for the game will be in a circular shape. The diam
lys-0071 [83]
By definition, the area of a circle is given by:
 A = \pi * r ^ 2

 Where,
 r: radius of the circle.
 Substituting the values in the given expression, we have:
 A = 3.14 * (3) ^ 2

 A = 28.26 feet ^ 2
 Rounding to the nearest tenth we have:
 A=28.3feet^2
 Answer:
 
Approximately needed:
 
A=28.3feet^2
4 0
3 years ago
Read 2 more answers
Rainbow bread company delivered a total of 180 loaves of bread to three markets. Savemart received 12 more loaves than vons. Ral
sasho [114]

Let vons market receive x  loaves. Then savemart received x+12 loaves and Ralphs received x + 12 + 6 = x + 18 loaves, Therefore:-

x + x + 12 + x + 18 = 180

3x + 30 = 180

3x = 150

x = 150/3 = 50  

So vons received 50, savemart received 62 and ralph's received 68 loves.  Answer


8 0
3 years ago
Evaluate the numerical expression. 9.6 – 10.8 ÷ 0.6
madreJ [45]

Hi there!

Answer:

<u><em>C.-8.4</em></u>

Step-by-step explanation:

divide by the numbers.

10.8-0.6=18.0=18

9.6-18

subtract the numbers.

9.6-18=-8.4

=-8.4

Hope this helps!

-Charlie

Have a great day!

4 0
3 years ago
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Janelle ate 4/5 of her graham cracker. Paul ate 3/5 of his graham cracker. The graham crackers were the same size.
sergij07 [2.7K]
1/5 less than janelle
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3 years ago
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