mike& sue danced 3/4 of an hour with out stopping. this is 3/8 hour more than betty& ryan danced. how long more did bett
y & ryan dance?
1 answer:
3/8 of an hour.
If you change 3/4 to 6/8 and then subtract, 6/8-3/8 you would get 3/8.
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5s-100-2s=4s-20-2s
3s-100. = 2s-20
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-3s. -3s
-80. = -1s
-1 -1
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s=80
Sum of complementary angles = 90
so
5x + 35 = 90
5x = 90 -35
5x = 55
x = 11
answer is A.
x = 11
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