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Math help? Explain.?
Which # may be written as the sum of 2 consecutive whole #'s?
1066
1492
1990
1991
If 1 stick of libstick costs 3/5 the price of a bottle of nail polish, how many sticks of lipstick can be purchased for the same price as 15 bottles of nail polish?
If x people can do a job in d days, how long will it take y people to do the same job?
1. x/yd
2. xd/y
3. y/xd
4. yd/x
17x-3(4+5x)=48
17-(6x+3)=-16
Show work or explain if possible.
2 Answers
- M@thM@ni@cLv 51 decade agoFavorite Answer
The first one is 1991; divide it by two since there are two numbers.
1991/2 = 995.5
995 + 996 = 1991
1066/2 = 533
so 1066 = 533 + 533
The others, 1492 and 1990 are evenly divisible by two, as well.
2nd one: for every bottle of nail polish you can by 1 and 2/3 sticks of lip stick for the same amount of money.
so 15 bottles of polish would cost the same as 15(1 and 2/3) tubes of lipstick, so 25 tubes of lipstick.
3rd one: I believe #4 is the right answer.
- Anonymous1 decade ago
what?? sorry
