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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 42 as a value for w. What is the corresponding table entry for D?

(TEACHER HINT: They are asking what D will be if w is 42.)

A.54
B.105
C.186
D. 402

I Don't Get Algebra At All ._.

Sagot :

RachelFryidn
The answer is 186. You replace 42 where (W) is then 3X42 gives you 126. Then add 60 and get 186. D=186
KaityCherkasskyidn
The answer is C. What you do is 3 times 42 (W=42) then that will be 126 then just add 60 and D=186
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