1 hr = 60 minutes
15 minutes x _4_= 60 min
10 flights x 4 = 40 flights
Answer: 40 flights per hour
Answer:
Step-by-step explanation:
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- Plug 1/9 and 9 in:
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I hope this helps!
1.
we distribute then move placeholders to get
2x+4=4x-6+1
9=x
one solution
2. distribute
4x+12=3x+17
x=5
one solution
3. distribute and combine like terms
5x+4=5x-10+7
4=-3
false
no solution
4. distribute
2+10x=10x-5
2=-5
false
no solution
5. distribute
-18+15x=12x-18+3x
x=x
true
infinite solutions
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Answer:
1. x=24 2. x=30
Step-by-step explanation:
1. 1/2x+16=28
1/2x=12
x=24
2. 2/3x-14=6
2/3x=20
x=30