Answer:
hope this helpw
Step-by-step explanation:
Answer:
90 miles
Step-by-step explanation:
Let ori. speed = z
distance = speed × time
= z × 2
= 2z miles
distance = (z - 15) × 3
= (3z - 45)miles
2z = 3z - 45
z = 45mph
distance = 45 × 2
= 90 miles
distance = (45-15) × 3
= 90 miles
(Correct me if i am wrong)
Answer:
24.(24)
Step-by-step explanation:
(x+x/10)+x/5=x*24.(24)%
Answer:tôi chưa hiểu câu hỏi của bạn
Step-by-step explanation:
I think the last one
hope this help