Mathematics
zabihaq
7

ben and cole have 36 airplanes models all together. ben has 8 more than cole. how many airplane models does ben have?

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barbiestar8756

[latex]x-\ Ben's \ airplanes\\\\\ y- \ Cole's\ airplanes\\\\\ \left \{ {{x+y=36} \atop {y+8=x}} \right.\\\\ Substituting\ method:\\\\ y+8+y=36\\\\ 2y=36-8\\\\ 2y=28\ \ |:2\\\\ y=14\\\\ x=y+8=14+8=22 \\\\ Ben\ has\ 22\ airplanes. [/latex]

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