Annette, barb, and carlita work in a clothing shop. one day the three had combined sales of $1480. annette sold $120 more than barb. barb and carlita combined sold $280 more than annette. write and solve a linear system to find out how much did each person sold.

The quantity sold by Annette was $600

The quantity sold by Barb was $480

The quantity sold by Carlita was $400

Step-by-step explanation:

Let

x ----> quantity sold by Annette

y ---> quantity sold by Barb

z ---> quantity sold by Carlita

we know that

----> equation A

----> equation B

----> equation C

substitute equation C in equation A and solve for x

Find the value of y

Find the value of z

therefore

The quantity sold by Annette was $600

The quantity sold by Barb was $480

The quantity sold by Carlita was $400

a

step-by-step explanation: