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Answer:
7/12 3/4 5/6
Step-by-step explanation:
Answer:
r= 2.5 and s=3
Step-by-step explanation:
2r plus 6r equals 8r
-3s and 3s cancell eachother out
and 14 plus 6 is 20
with leaves us with
8r=20
20 divided by 8 is 2.5
now we go back to the orginal problems
2 times 2.5 is 5
14 minus 5 is 9
9 divided by 3 is 3
so s=3
but to check this all you would use r=2.5 and s=3 in the othe equsion
6 times 2.5 is 15
and -3 times 3 is -9
15-9= 6
Answer:
20 % are red
Step-by-step explanation:
I THINK this is what you mean:
24 blue + 6 red = 30 blocks total
6 red / 30 total = 6/30 = .2 = 20 %
If your information is for a percentage out of every 85, you need the total number divided by the 85:
391 students / out of 85
= 391 / 85
= 4.6
But in every 85, (of which there are 4.6), 10 of them are left handed (not 4.6 of them)
So multiply the 4.6 by the ten left handed students:
4.6 x 10
= 46
Therefore there are 46 left handed students in Tom's school
