No. Quincy should have used the trend line to find the corresponding x value when y=80.
Half of a circle
1 circle=360
1/2 circle=360/2=180
1/2 circle cut into 1/3
180 times 1/3=60
60 degreees
She would have spent $600 on the furniture, and $200 on the T.V.
Her original savings were $800.
8% of 20 is 1.6
This is because you take the percentage and divide it by 100 so that you have a decimal, then multiply that by twenty. So, 8% ÷ 100 = 0.08 then 0.08 × 20 = 1.6
Hope this helps!