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shtirl [24]
3 years ago
14

Mr. Fat needs 20 minutes to eat a pound of cereal, while Mr. Thin needs 30 minutes. If they eat together, how long does it take

for them to finish off three pounds of cereal? Express your answer in minutes.
Mathematics
1 answer:
marishachu [46]3 years ago
4 0
36 minutes.

(1/20)x+(1/30)x=1solve for x (x=0.8333333333......)
Considering they take the same times for all 3 pounds,
That would mean that since 1 pound takes 12 minutes, then 3 pounds take 36 minutes
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What's the answer to: divide £48 in the ratio 7:5 (please show your working, much appreciated)
Brums [2.3K]
I can see you come from outside the USA. No insults intended!!
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Anyways, we have to put one side of the ratio and match it to 48. 
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Or even better...
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MAKE!!
A!!
PROPORTION!!
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So... Let's say 7 is proportional to 48... so 7/5 = 48/x, where x is the number equivalent to ratio of 5.
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Cross multiply!!
<span>.
</span>7x = 240.
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Divide 7 on both sides.
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x = 34 2/7.
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Hope I helped!!
4 0
3 years ago
Somebody please help!!!<br> (Dont judge me I forgot)
ch4aika [34]

Answer:

16. 200+3

17. 30+4+0.1+0.02+0.007

18. 200+70+6+0.1+0.03

19. 30000000+4000000+100000+20000+3000+6

Step-by-step explanation:

4 0
3 years ago
Bruce is going to call one person from his contacts at random. He has 25 total contacts. 20 of those contacts are from his neigh
PtichkaEL [24]
No of people not from their neighborhood=25-20=5
total contact s=25
therefore probability to call a person not from his neighborhood=5/25=1/5
therefore P=1/5
5 0
3 years ago
Read 2 more answers
 If 2.5 pounds of a  certain grain cost $1.75, how much will 5.3 pounds of the grain cost? a. $4.79 b. $4.38 c. $3.62 d. $3.71  
melisa1 [442]
 2.5 pounds of grain cost ======= $1.75
∴ 5.3 pounds of grain will cost ===== (5.3×1.75)/2.5 = $3.71 
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3 years ago
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Answer:gbvvvyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuyhuuyyyybyby8bybybyyyyyyyyyyyyyyyyyyyyyyyyyyyyybybyubyubyubbubhbubuhbybbbbbbbbbbbbbbbbbbbbbbbbbhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh                                 hbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjoioioioioioioioioioioioioioioioioioioioioioioioioioioibv

Step-by-step explanation:

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