An electrician plans to install solar panels on a rectangular section of roof with an area of 180\,\text{m}^2180m
2
180, start text, m, end text, squared. This width of this section of roof is 7\dfrac15\,\text{m}7
5
1
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m7, start fraction, 1, divided by, 5, end fraction, start text, m, end text across.