Answer:
b
Step-by-step explanation:
Let's simplify step-by-step.
2/
5
y−4+7−
9
/10
y
=
2
/5
y+−4+7+
−9
/10
y
Combine Like Terms: =
2
/5
y+−4+7+
−9
/10
y
(2
/5
y+
−9
/10
y)+(−4+7)
=
−1
/2
y+3
Answer: =
−1
/2
y+3
Hope I could help! :)
3(x+4)
Three times -> 3()
the sum of a number and four x+4
3(x+4)
Answer:
b) 60mph
Step-by-step explanation:
Referring to the fact that he goes from marker 10 to marker 115, which is 100 miles, while taking 1.75 hours
We will divide 100 by 1.75
100/1.75=60
So the answer is 60 mph
