Answer 200 to 520 and 300 to 580.
Step-by-step explanation:
Each one increases by 60.
The steps i took into doing these problems did very well for me
Answer:
X = i don't know
Y = 50°
Step-by-step explanation:
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Assume the following:
Brad has been in the soccer team for b years.
Scot has been in the soccer team for s years.
"The number of years that brad has been on the soccer team is 2 less than 5 times the number of years that Scott has"
means: b=5s-2
"in total,the boys have been on the soccer team for 10 years."
means: b+s=10
so we have the equations:
i) b=5s-2
ii) b+s=10
substitute b in ii) with 5s-2, as they are equal, from i
(5s-2)+s=10
5s-2+s=10
6s=12
s=2,
then , from b+s=10, b=8
Answer: Brad has been in the team for 8 years.
Answer:
65% of the marbles are red.
Step-by-step explanation:
