Blake needs a minimum of $145. He has saved $35 and plans to save $5.50/wk.

About how many weeks will it take for Blake to save enough money?

A.
at least 20 wk

B.
at most 20 wk

C.
at least 33 wk

D.
at most 33 wk

Question

Blake needs a minimum of $145. He has saved $35 and plans to save $5.50/wk.
 
About how many weeks will it take for Blake to save enough money?
 
 A.
at least 20 wk
 
 B.
at most 20 wk
 
 C.
at least 33 wk
 
 D.
at most 33 wk

anonymous · Answer

@_alex_urena_ @silverr @DanJS @dtan5457 @jim_thompson5910

anonymous · Answer

first subtract 35 from145

jim_thompson5910 · Answer

solve $$\Large 35+5.50x \ge 145$$ for x

anonymous · Answer

or that

anonymous · Answer

I still don't get it

mehek14 · Answer

35 + 5.50x ≥ 145
 5.50x ≥ 180
x ≥ 26.36
so at least 20 weeks

jim_thompson5910 · Answer

you made an error on step 2 of your work Mehek14

jim_thompson5910 · Answer

you should have $$\Large 5.50x \ge 110$$

mehek14 · Answer

oh sorry let me fix that
35 + 5.50x ≥ 145
 5.50x ≥ 110
x ≥ 20
so at least 20 weeks