word problems
<a href="https://scienceres-edcp-educ.sites.olt.ubc.ca/2013/06/23/intersection-of-lines/" title="Intersection of Lines"><img src="https://scienceres-edcp-educ.sites.olt.ubc.ca/files/2013/06/sec_math_relations_intersectionOfLines-150x150.jpg" alt="Intersection of Lines" class="thumbnail thumbnail " /></a>