Question 1159447
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Thando’s dad is three times as old as she is now. Ten years ago he was seven times as she
was <s>old</s> then.
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Dad is 3t
Thando is t


{{{3t-10=7(t-10)}}}
-
{{{3t-10=7t-70}}}
{{{70-10=4t}}}
{{{highlight(t=15)}}}


Her dad is {{{highlight(45)}}}.