D +3
Since 6 and 3 are both positive
+ / += +
Answer:
a’s average speed is 60km/h
Step-by-step explanation:
x = a’s average speed
60/40 = 90/x
Cross multiplication:
60x = 40x90
60x=3600
Divide both sides by 60
x= 60
Answer:
A) 2631.20
Step-by-step explanation:
8% of 32,890 is 2631.2
Answer:
1/8
Step-by-step explanation: