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ziro4ka [17]
3 years ago
9

A road sign gives drivers information about traffic on busy highways. One sign shows "15 miles in 20 minutes". What is this spee

d in miles pee hours?
Mathematics
2 answers:
Tamiku [17]3 years ago
8 0
First of all you need to work out 20 minutes in hours, this can be done by dividing 20 by 60:
20/60 = 1/3

Then you need to divide 15 by 1/3 to get the final speed:
15 / 1/3 = 45 miles per hour


He will need to be traveling at 45 miles per hour,
Hope this helps! :)
masha68 [24]3 years ago
5 0
15/20 = mph/60

60 x 15 = 20 x mph

900 = 20 x mph

900/20 = mph

45mph is your answer.
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Alaina needs to sell 225 boxes in order to be the top seller. She sells thin mints and samoas to all of her customers for a tota
Digiron [165]

Answer:

94 boxes of samoas

131 boxes of thin mints

Step-by-step explanation:

m=mints

s=samoas

s+m=225    m=225-s

s(2.5)+m(3)=628

2.5s+3m=628

substitute for m

2.5s+3(225-s)=628

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-0.5s=-47

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4 0
2 years ago
What is the distance between points (2, −8) and (2, 7) on a coordinate plane?
MatroZZZ [7]

Answer:

15 points vertically.

Step-by-step explanation:

change -8 to 8, then add the 2 numbers in the y axis and you will get 15. brainliest?

8 0
3 years ago
Jan is 2/3 of Karyn's age. Jan's age 8 years ago is 2/5 of Katyn's age 4 yeats from now. Jan is how many younger than Karyn?
Elden [556K]

Answer:

12 years younger.

Step-by-step explanation:

Let Jan's age be J and Karyn's age be K.

J= \frac{2}{3}  K

Jan's age 8 years ago is 2/5 of Karyn's age 4 yeaRs from now.

J-8 = \frac{2}{5} (K+4)

=> (\frac{2}{3} - \frac{2}{5} ) K = \frac{8}{5} + 8

=> 4K = 48 X 3

=> K= 36.

=> J= 24.

So Jan is 12 years younger.

8 0
3 years ago
Gcdbvfgvfnc vc vfnfbnfnbvgn
jonny [76]

no way dude really? thats so cool

7 0
3 years ago
Question Navigator
MArishka [77]
C and B are correct,
8 0
3 years ago
Read 2 more answers
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