Kyle drove x hours
Sally drove x + 7 hours
Added together they both drove 2x + 7 hours
2x +7 = 35 hours
Subtract 7 from both sides:
2x = 28
Divide both sides by 2:
x = 14
Kyle drove 14 hours
Sally drove 21 hours
Answer:
77- 43=34
It needs to be added by 43 to get 77.
So, 43 is the answer.
Answer:
The actual distance is 56
Step-by-step explanation:
set up a proportion
1cm 14cm
=
4km x
cross multiply 56=x
so the actual distance is 56 km im pretty sure :)
Answer:
no
Step-by-step explanation:
X/3+7
co-efficient=1/3
how?
x/3 is also the same as x(1/3).
