Let A represent the speed of car A. Using your formula,
.. A*2 = D
.. (A +15)*1.5 = D . . . . . the same distance in a shorter time at a higher speed
Equating the two expressions for D, we get
.. 2A = 1.5(A +15)
.. 2A = 1.5A +22.5 . . . . . eliminate parentheses
.. 0.5A = 22.5 . . . . . . . . .subtract 1.5A
.. A = 22.5/0.5 = 45 . . . .divide by 0.5
Car B was 15 mph faster than this.
Car B traveled at 60 miles per hour.
Answer:
7/10.
Step-by-step explanation:
If theres a total of 10 games and 7 out of the 10 are racing games, it means that 7/10 of the games are racing games.
Answer:
24 inches
Step-by-step explanation:
There was a total of 17.5 quarts of blood that was collected.
Hope this helps! :-)
<span><span><span>I believe the answer is (x+5)^</span>2</span>+<span><span>(y+6)^</span>2</span>=9
</span>
