Make it into a simultaneous equation:
5p + 4e = 7.65
4p + 5e = 7.20
Use adding/subtracting formula
The cost of an eraser is $1.44
Answer:
j = 4.29
Step-by-step explanation:
9.8j - 6 = 36
+ 6 +6
9.8j = 42
9.8j/9.8 = 42/9.8
j = 4.29
Answer:
n
Step-by-step explanation:
Answer:
The answer is A. 
.
Step-by-step explanation:
To find the difference of this problem, start by simplifying the denominator, which will look like 
. Next, multiply 
by 
to create a fraction with a common denominator in order to subtract from 
. The problem will now look like 
.
Then, simplify the terms in the problem by first multiplying and , which will look like 
. The next step is to combine the numerators over the common denominator, which will look like 
.
Next, simplify the numerator, and to simplify the numerator start by factoring 3 out of 
, which will look like 
. Then, subtract 14 from -7, which will look like . The final answer will be .
I dont really understand this question, i really would of liked to help.
