Answer: C.
Step-by-step explanation:
Remember when you learning about the "Least Common
Multiple" and you wondered when in the world you would
ever need to use it ?
Well, here you are ! Hello !
The next time they will cross the starting line together is the
LCM (Least Common Multiple) of 30 and 40 .
Do you remember how to find it ?
Here's one easy way:
Count by 30s until you come to a number that's divisible by 40 .
Laura's first lap. . . . . . . . 30 seconds . . . not divisible by 40
Laura's two laps . . . . . . . 60 seconds . . . not divisible by 40
Laura's three laps. . . . . . 90 seconds . . . not divisible by 40
Laura's four laps. . . . . . 120 seconds . . . divisible by 40
After 120 seconds, Laura has completed four laps,
Shelby has completed only three laps.
Answer:1
Step-by-step explanation:u don't need one
Answer:
510/600 of the shirts are not yellow or pink.
Step-by-step explanation:
First we turn 7/200 with a denominator of 600.
7/200 = 21/600
Next we add 69/600 with 21/600.
69/600 + 21/600 = 90/600
Now we subtract 600 by 90.
600 - 90 = 510.
So, the answer is 510/600
Hope this helps! :)
