Average reading score is given by the expression,
y = 0.153x + 255.4
Here, x in the number of years past 1970.
To find the year in which the average reading score is 259.378, substitute the value of 'y' in the given expression.
y = 0.153x + 255.4
259.378 = 0.153(x) + 255.4
0.153x = 259.378 - 255.4
0.153x = 3.978
x = 
x = 26
That means given average reading score 259.378 will be 26 years after 1970.
Therefore, 1996 is the year in which the average reading score will be 259.378.
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10% = 5
80% = 40
2% = 1
82% = 41
41
Answer:
Step-by-step explanation:
x= y+10
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2.5
Answer:
first top left graph? 12×4 is 48 so that puts it about right
Answer:
48
Step-by-step explanation:
so we just have to set up this expression
it would be
8(4+2)
this would be
8(6)
this equals 48