Question 173844
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Let known of the following:
{{{x}}}= Greg's age
{{{x+30}}}= Greg's father's age
Then in 15 yrs,
{{{x+highlight(15yrs)+x+30+highlight(15yrs)=130yrs}}}, working eqn
{{{2x+60=130}}}
{{{2x=130-60=70}}}------->{{{cross(2)x/cross(2)=cross(70)35/cross(2)}}}
{{{highlight(x=35yrs)}}}, Greg's age
{{{35+30=highlight(65)}}}, greg's father's age
In doubt? Let's go back working eqn:
{{{35+15+65+15=130}}}
{{{130yrs=130yrs}}}
Thank you,
Jojo</pre>