<span>a. 86 = 0.45n
</span>
Is Your Answer Hope This Helps
Answer:
x = 28
Step-by-step explanation:
1/4x = 7
x = 7 • 4
x= 28
the division pass to other place to multiplication
(7.5-3.5)/(4.5-2.5)= 4/2= 2
y - 7.5 = 2(x - 4.5): the answer
To complete: y - 7.5 = 2x - 9
y = 2x - 1.5
Since it was stated that the equation is linear, therefore
we can use the slope point formula to find for the slope and intercepts. The
linear equation has a form of:
y = mx + b
where y is the retail price, x the wholesale price, m the
slope and b the y-intercept
m = (y2 – y1) / (x2 – x1)
m = (238 – 112) / (175 – 85)
m = 1.4
So the equation now becomes:
y = 1.4x + b
Plugging in any pair to find for b:
112 = 1.4(85) + b
b = -7
So the full equation is:
<span>y = 1.4x - 7</span>
<span>or</span>
<span>R = 1.4C - 7</span>
1 galon = 4 quarts
40 gallons = 4*40 quarts = 160 quarts
