2 cars leaving Hyland at the same time, one traveling North and the other going South. The 1st car is driving 6 mph faster than
the 2nd car. After 2.5 hours they are 345 miles apart. What is the speed of the 1st car ?
2 answers:
(a+a+6)*2.5=345
2a+6=138
a=132/2
a=66 mph
a+6=66+6=72 mph
Speed of the first car is 72 mph
What is the speed of the 1st car ?
You might be interested in
That expression is written like so:
(5 + d)/(12 - w)
Answer: 120
Step-by-step explanation:
3 x 108 = 324
3 x 102 = 204
so 324 - 204 = 120
Answer:
x=9
Step-by-step explanation:
y=3x+18=5x
thus 3x+18=5x
subtract 3x from both sides 18=2x
simplify for x x=9
Answer:
18 weeks
Step-by-step explanation:
830-200=630 then you do 630/35=18
Answer:
Lilly is 7 years old
