I think it is 22.5, since molly has 75% of the packs
You can download answer here
tinyurl.com/wpazsebu
It is 54 because you have to do 9 multipied by 6 because a hexagon has 6 sides therefore it is 54
We know that
the formula for the <span>arithmetic sequence is
</span><span>an = a1 + (n - 1)*d
where
a1 is the first term
n is the numbers of terms
for n=3 a3=-8
-8=a1+(3-1)*d-----> -8=a1+2*d-----> equation 1
for n=7 a7=32
-32=a1+(7-1)*d----> -32=a1+6*d----> equation 2
multiply equation 2 by -1-----> 32=-a1-6*d------> equation 3
add equation 1 and equation 3
</span>-8=a1+2*d
32=-a1-6*d
----------------
24=-4*d------> d=-6
-8=a1+2*(-6) (substitute the value of d in equation 1)
-8=a1-12-----> a1=-8+12-----> a1=4
the answer is
a1=4
d=-6
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#1) 0.5 inches per hour
#2) $9.20 per toy
#3) 35 miles per hour
#4) 8 oz. in a cup
Hope this is right, and helps you!
