Answer:
Step-by-step explanation:
X-3y=-5x
(-2y)-3y=15(-2y)
-3y=15
y=-5
Answer:
$79.05
Step-by-step explanation:
Multiply 93 times 15%, which gets you $13.95.
Then subtract 13.95 from the 93 (93 - 13.95).
10.5% of 678 =
0.105(678) = 71.19 <==
Hope this helps.
A rational number is a number that can be written as a ratio. That means that it can be written as a fraction. The numerator and the denominator both need to be whole numbers for it to be rational. For example, 2 is a rational number because it can be written as the fraction 2/1.