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Ksju [112]
2 years ago
14

Help i dont understand

Mathematics
1 answer:
konstantin123 [22]2 years ago
7 0
$64...that is the answer because the discount price is 20%
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Grace and her brother Sid want to raise money to go to band camp. Their parents have agreed to help them earn up to $400 by payi
LenKa [72]

Answer:

25m + 10b = 400

Step-by-step explanation:

Total amount that can be earned = $ 400

Amount earned on mowing a lawn = $ 25

Amount earned per hour on babysitting = $10

Amount earned for mowing one lawn is $ 25, so amount earned for mowing m lawns will be $ 25m

Amount earned for one hour of babysitting is $ 10, so amount earned for babysitting for b hours will be $ 10b

Total amount earned = Amount earned from mowing m lawns + Amount earned from babysitting for b hours

Using the values from above, we can set up the equation as:

400 = 25m + 10b

or

25m + 10b = 400

This equation represents the number of lawns they can mow, m, and hours they can babysit, b, to earn $400.

3 0
3 years ago
Find a factor of 3x^2- 16x - 12​
Greeley [361]

Answer:

x= -2/3 and 6

Step-by-step explanation:

3x²-16x-12

3x²-18x+2x-12

(3x²-18x)+(2x-12)

3x(x-6)+2(x-6)

(3x+2)(x-6)

x= -2/3 and 6

8 0
3 years ago
Read 2 more answers
Amit built a sand castle that measured 151 centimeters by 159 centimeters, and dug a moat around it.
Zigmanuir [339]

Answer:

Step-by-step explanation:

amit built a sand castle that measured 151 centimeters by 159 centimeters, and dug a moat around it.

Afterward,they decided to change the castle size, making it 127 centimeters by 233 centimeters.

How much longer will the new moat be than the old one?

6 0
2 years ago
I need help helping my brother asap
fiasKO [112]
It would be B because 64.35/7.15=9 so e=9
3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx%2B4%7D%7B3%7D%20%3D5" id="TexFormula1" title="\frac{x+4}{3} =5" alt="\frac{x+4}{3}
Paul [167]
Multiple both sides by 3
X+4=15

X=15-4

X=11

5 0
2 years ago
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