Answer:
The cost of each exercise book is 25 sh.
The cost of each pen is 8 sh.
Step-by-step explanation:
Write down the system of equations and then solve.

Best Regards!
Answer:
-1/4 x <u>4</u> = -1
Step-by-step explanation:
:)
Answer:
Good Luck!
Step-by-step explanation:
Answer:
w < 13
Step-by-step explanation:
variable: w
Inequality: 8 + 2w < 34
Solution: 2w < 26
w < 13
Answer:
5.05*10³
Step-by-step explanation:
-
<em>Put the decimal after the first digit and drop the zeroes. To find the exponent count the number of places from the decimal to the end of the number.</em>
- 5050 = 5.05 *1000 = 5.05*10³