Answer:
B 245??
Step-by-step explanation:
Answer:
Step-by-step explanation:
1). (B). Replace one equation with the sum/difference of both equation.
System B is
- 4x - 6y = 9 ........ <em>(1B)</em>
-4x + 3x = - x
- 6y + y = - 5y
9 - 4 = 5
- x - 5y = 5 ........ <em>(2B)</em>
2). Yes, both system are equivalent.
Answer:
62.3%
Step-by-step explanation:
Answer:
210
Step-by-step explanation:
7 * 3 = 21
70 * 3 = 210
It is the paid price with tax included. To calculate the total with tax included, you need the original price plus the amount of tax. If tax is 10 percent, it will be ten cents per dollar. 15.85(1+0.10) = 17.43