25y + 150x = 250 find the Variables
1 answer:
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Since 1 pound is $3.09, 4.5 pounds will be:
It says to round to nearest hundredth, so your answer is $13.91.
Step-by-step explanation:
If it's a straight line the use formula
m= gradient of line
c = y-intercept
we know that y-intercept is 4 so coordinate is
(0,4)
Equation also passes (2,10)
Use both coordinate to find gradient
m= vertical distance / horizontal distance
= (10-4) / (2-0)
= 3
y = 3x + 4