Answer:
Step-by-step explanation:
X/6 +4 = 20
X/6 = 20 - 4
X/6 = 16
X = 16/6
Answer:
Exact Form - 23/8
Decimal Form - 2.875
Mixed Number Form - 2 7/8
Step-by-step explanation:
5(2x-3)+7
distribute the 5 to the 2x and -3
10x-15+ 7
combine like terms -15+7
10x-8
Answer:
9a+12
Step-by-step explanation:
The perimeter is the sum of the side lengths, so is ...
6a + a + 4 + 8 + 2a
= a(6 +1 +2) + (4 +8)
= 9a +12
To find the unit rate of any two numbers you divide:
9.60 divided by 4 = 2.4
Unit rate = $2.40
Hope I helped! :)