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Answer:
15.60 times 100 divided by 390=4%
Step-by-step explanation:
Answer:
Step-by-step explanation:
-5+-15= -20
4+15= 19
-20+19
-1
The percent of discount is 70%.
Answer:
b = 3
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + b ( m is the slope and b the y- intercept )
Here m = - 2 , then
y = - 2x + b ← is the partial equation
To find b substitute (5, - 7 ) into the partial equation
- 7 = - 10 + b ⇒ b = - 7 + 10 = 3
