Hello Atiya,
I assume you want to find how much Larissa earned in total. You should find how much she earned for regular time, time and a half, double time, then add everything up:
- regular time: 40 hours x $7/hr = $280
- time and a half means she earns $7/ hr TIMES 1.5, so $10.5/hr: 3 hours x $10.5/hr = $31.5
- double time means she earns $7 TIMES 2, so $14/hr: 6 hours x $14/hr = $84
Now add all three: $280 + $31.5 + $84 = $395.5 is how much Larissa earned that week