Let x = width
x+1 is then the length
2x+2(x+1)=66
2x+2x+2=66
4x=64
x=16
deck will be 16x17, nice for a BBQ. :)
To decrease it by 3% we need to fine 97% of it and 97% is the same as 0.97
16870 times 0.97=16363.9
16870 decreased by 3% is 16363.9
I hope I've helped!
Answer:
The slope represents the rate of change of earnings in a week for every unitary change in number of doors knocked. For Jessica's function, her earnings change by +7 units for every unit of door she knocks.
She will need 12 seconds because -20•12=-240
180 because you multiply the 12 packs by 10 to get 120. Then you subtract 120 from 300