30k + 70 = 20k + 80
30k - 20k = 80 - 70
10k = 10 / : 10
<u>k </u><u>=</u><u> </u><u>1</u>
Answer:
<em>She will take 10 weeks to save the money for the DVD player</em>
Step-by-step explanation:
Let w = Lianne's weekly allowance.
The DVD player costs 2 1/2 times her weekly allowance, thus
DVD cost = 5/2w
She gets w every week but spends 3/4w on other things, thus the remaining money is
Weekly savings =w - 3/4w = 1/4w
To know the number of weeks needed, we divide the DVD cost by the weekly savings:

Operating:

N = 10
She will take 10 weeks to save the money for the DVD player
Answer:
8 : 2.5
Step-by-step explanation:
3√512: Convert the decimal into an equivalent fraction You can also use a calculate to divide 1 by the fraction.
<em><u>Please mark as brainliest if answer is right </u></em>
Have a great day, be safe and healthy
Thank u
XD
Answer:
(x+1) (2x +3)
Step-by-step explanation:
you know dam well what 34+35 is...
70-1...
68+1....
aaaaaaaaand im gone bye