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Step-by-step explanation:
2
For this, we use the equation for arithmetic sequence. It is given as:
an = a1 + (n-1)d
where an is the value at n term, a1 is the first term and d is the common difference
For 54,
54 = 12 + (3 -1)d
d = 21
an = 12 + (2-1)21
an = 33
3/5 is the reduced fraction of the ratio of the price of the torch to the total price
<span>In order to find the area of a rectangle, the width must be multiplied by the length. Since we know the length is 7 yards and the width is 4 yards, we can simply multiply these two values together. 4yd x 7yd= 28yds^2.</span>
