10meters=1000cm
1000-210=890
Mary has 890 centimeters of thread left on the reel.
Answer:
2
Step-by-step explanation:
This question was already answered before. I'm going to post someone else's answer with credit given of course:
"<span>The answer is their product. The least common multiple (LCM) is the smallest number which is a multiple of two numbers. If two numbers have no common factors greater than 1, then their LCM will be their product. For example, take numbers 7 and 9. They have none common factor greater than 1. So, LCM will be 7 * 9 = 63." - @W0lf93
Not sure if this answers your question, but hope this helped...</span>
Answer:
1/4
Step-by-step explanation:
printed part = 210
total pages = 280
probability to open printed page 210/280 =3/4
probability to not open printed page = 1 - probability to open printed page = 1 - 3/4 = 1/4