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Pre-Algebra 22 Online
OpenStudy (anonymous):

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

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

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

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??

OpenStudy (anonymous):

B.96

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