When the sum of twice a number and 4 is tripled the result is 72?
1 answer:
The unknown value can be called x.
3(2x +4) = 72
6x +12 = 72
72 - 12 = 6x
6x = 60
x = 6x / 6
x = 10
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Answer:
Exact Form:
y = -8/3
Decimal Form:
y = -2.6
Mixed Number Form:
y = - 2 2/3
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You times it by one and then add the two zeros so your answer is 3,500
Answer:
9 hours
Step-by-step explanation:
1 chapter ≈ .5 hour
18 x .5 = 9
Your answer is 506.44.
multiply 662 x .10 now minus that answer from 662 to get 595.80
now multiply that by .15
now minus that by 595.80
gives you 506.43
