Answer & Step-by-step explanation:
2a - b : 2a + b = 1 : 2
2a - b = 1
- Elimination
2a + b = 2
-b - (b) = -1
-2b = -1
b = 0.5
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2a + b = 2 Substitution
2a + 0.5 = 2
2a = 1.5
a = 0.75
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a:b
0.75 : 0.5
or
3/4 : 1/2
Hope this helps!!!
Answer:
12 yards=36 feet
Step-by-step explanation:
1 yard=3 feet
2 yards=6 feet
3 yards=9 feet
4 yards=12 feet
5 yards=15 feet
6 yards=18 feet
7 yards=21 feet
8 yards=24 feet
9 yards=27 feet
10 yards=30 feet
11 yards=33 feet
12 yards= 36 feet
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Answer:
15
Step-by-step explanation: