Answer:
Step-by-step explanation:
y = 6
x = 9
x+7y
9 + 7(6)
9+ 42
51
answer: 4 hours
Denise rode 3 kilometres .
Clark rode 5000 metres which is 5 kilometres .
So , Clark rode 2 kilometres more than Denise .
I think true but can u translate to english so I could understand