Andre received $60 for his birthday and put it in his piggy bank. Each week, he puts 3 more dollars in his bank. The amount of money in dollars D in his bank is given by D = 3w + 60, where w is the number of weeks he has saved 3 dollars. His sister Lana makes a table of reasonable values for w. Lana selects 12 as a value for w.
What is the corresponding table entry for D?
A.
372
B.
96
C.
75
D.
64
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OpenStudy (anonymous):
can someone help me please
OpenStudy (andrewhaze):
yea im looking
OpenStudy (anonymous):
thank u
OpenStudy (anonymous):
3 x 12 which = 36 then you + 60 which gives you 96
OpenStudy (andrewhaze):
i think 96
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OpenStudy (andrewhaze):
yea what @burn23 give him/her the medal
OpenStudy (anonymous):
ok thank u both
OpenStudy (anonymous):
can u help me with one more @burn23
OpenStudy (anonymous):
The altitude of a plane as it begins to descend is shown by the linear equation
a = 28,500 – 1800m, where a is the plane’s altitude, in feet, and m is minutes.
What is the plane’s altitude when m = 9?
OpenStudy (anonymous):
@chiko_1278
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OpenStudy (anonymous):
multiply 9 times 1800 and then subtract from what you got to 28,500 and it will give you the answer
OpenStudy (anonymous):
180 *9-28,500=12,300
OpenStudy (anonymous):
thanks
OpenStudy (arabpride):
Please close this post if you're done! :3
Thanks!
OpenStudy (anonymous):
why??
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