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jenssenhonore jenssenhonore
  • 06-02-2016
  • Mathematics
Answered

What is the value of n in the equation 0.2(n - 6) = 2.8?

(1) 8 (3) 20

(2) 2 (4) 44

Verified Answer :

Anonymous Anonymous
  • 06-02-2016

Solve for n.

0.2(n - 6) = 2.8

Distribute

0.2n - 0.26 = 2.8
0.2n - 1.2 = 2.8

Now inverse operation should be applied

0.2n - 1.2 = 2.8
         + 1.2   +1.2

2.8 + 1.2 = 4

0.2n = 4
0.2n/0.2 = 4/0.2
n = 20

Answer: 20

Answer Link
RASEA23
RASEA23 RASEA23
  • 06-02-2016

Use the distributive property;
.2(n-6)=2.8
.2n-1.2=2.8
.2n=4
n=20
(3) 20
Hope this helps.

Answer Link

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