Answer:
I think it is 10 km/hr
Step-by-step explanation:
5 hrs = 40 more with 2 km/hr current
2 hrs= less 40 no current
40-2x5=30
30 without current for three hours
30/3=10 km/hr no current
CHECK
10x2=20
10x5=50+2x5=60
Answer:
D
Step-by-step explanation:
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Answer:

Step-by-step explanation:
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Answer:
63.75
Step-by-step explanation:
25% × 85 = 21.25
85 - 21.25
this if you were looking for the sale price.
If you were looking for the orginal price(i dont think you are because it said 85 is the original price but this is just in case I read it wrong)
85 is 25% of 340.
Steps:
85 ÷ 25% = 340%