An ad on TV claims that 70% of doctors interviewed chose Brady's Aspirin as the leading medicine to cure minor aches. If 20 doctors were interviewed, how many chose Brady's?
10
14
15
20
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OpenStudy (anonymous):
@zzr0ck3r
OpenStudy (anonymous):
@UsukiDoll
OpenStudy (usukidoll):
70/100 x 20 =?
OpenStudy (usukidoll):
70/100 <- do that first and then multiply the result by 20
OpenStudy (anonymous):
14
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OpenStudy (usukidoll):
yup
OpenStudy (anonymous):
Your mom has sent you to buy a new suit, and will let you get new shoes too if you keep it under $200. The suit you want to buy is $273. If you are getting 20% off the price, will you get the shoes?
Yes, the suit will cost less than $200.
No, the suit will cost more than $200.
The cost will be exactly $200.
Not enough information.
OpenStudy (anonymous):
what about this one
OpenStudy (usukidoll):
20/100 x 273 = 54.60
273-54.60 = 218.40
can't get the shoes.
OpenStudy (anonymous):
so its not enough information
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OpenStudy (usukidoll):
we do have enough information. after applying the discount, I'm still overbudget
OpenStudy (anonymous):
so it b No, the suit will cost more than $200.
OpenStudy (usukidoll):
yes the suit is still over $200
OpenStudy (usukidoll):
second choice is what you need
no the suit is more than $200
OpenStudy (anonymous):
i only need help on a couple moe then im done
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