Answer:
You have to multiply the denorminator to both sides in order to make x the subject :
The store sells a 9 ounce jar of mustard for $1.53 and a 15 ounce for $2.55 explain whether the cost of the mustards have the sa
1 answer:
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<h2>Step-by-step explanation:</h2><h3>
Given</h3>
s10 = -20
n = 10
an = -20
solution
s10 = n\2 [a+(n-1)d]
-20 = 10a2[a+(10-1)4]
-4 = a +36
a1 = -40
Hope it helps.
Hope it helps