Answer: D; 2.72
Step-by-step explanation:
solve for n...
5.6 + 1.4n = 2.4n + 2.88 (expanding brackets)
2.72 = 1n
n = 2.72
Phone card = $20
You need to minus 17.92 from 20 = $2.08
$2.08 / 0.13 = how many minutes
= 16
Answer:
Rational
Step-by-step explanation:
In order to solve these you first need a ratio.
From what we can tell, the ration from LEFT to RIGHT is:
2:3
Therefore, in order to have a 2:3 ratio, we need 5 parts total (2 parts on left + 3 parts on right = 5 total parts!)
A) 60
B) 90
