Answer:
x = 3
Step-by-step explanation:
j(x) = 4/5(-5) + 7
= -4 + 7
= 3
The second one because Idk I’m just guessing lol it doesn’t look like it should be there though
Answer:
Brand A costs 5 cents more than Brand B
Step-by-step explanation:
divide 3 by 4 to get the unit price of brand a
divide 7 by 10 to get the unit price of brand b