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A. Therefore the percentage of decrease he drove this week compared to the last week is 25%</h3><h3>
B.Therefore at store A will the cost of blanket be less this week</h3>
Step-by-step explanation:
A.
Christopher drove 360 miles this week . Last week he drove 480 miles .
He drove = (480 -360 ) miles = 120 miles less than this week .
Therefore the percentage of decrease he drove this week compared to the last week is=  % =25%.
 % =25%.
B.
At store A , a blanket usually costs $50 and blanket the same  at store B usually cost$62. This week , the blanket is on sale At store A for 20% off and at store B for 30% off.
At store A ,
This week, the cost of the blanket  is = $  = $
   = $ = $40
 = $40
At store B
This week, the cost of the blanket  is =$  =$
 =$ = $ 43.4
 = $ 43.4
Therefore at store A will the cost of blanket be less this week