She mowed lawns for 25 hours in September, so earned 25 * $4= $<<25*4=100>>100.
She pulled weeds for 3 hours in September, so earned 3 * $8= $<<3*8=24>>24.
She earned $100 + $24 = $<<100+24=124>>124 in September.
Finally, for two months working the same hours she earned $124 * 2 = $<<124*2=248>>248.
#### 248