Answer:
d=-1
Step-by-step explanation:
10(1+3d)= -20
divide both sides by 10
1+3d=-2
move the costant to the right, change the sign
3d=-2-1
caclulate
3d=-3
divide both sides by 3
d=-1
2/3 of 480 is 480 divided by 3 and that number times 2, which is 320. The man or woman probably used $60 of this to buy the tea set, which leaves them with $260.
Answer:
(0,3) (1,4)
Step-by-step explanation: