Answer: $100
Step-by-step explanation:
LET,
Total Amount needed by MISS KENDRICK = 'X' = $1345
Amount which is already saved by MISS KENDRICK = 'Y' = $145
Number of weeks for the purchase = 'Z' = 12
Now,
AMOUNT needed to be saved each week = [tex]\frac{X-Y}{Z}[/tex]
By Substituting the values in the equation, we get
AMOUNT needed to be saved each week = [tex]\frac{1345-145}{12}[/tex]
= [tex]\frac{1200}{12}[/tex]
= $100.