Help! Don’t know but need to, pls help. Please show your work too, thank you!

Answer:
y = 7x + 43
Step-by-step explanation:
x is the number of weeks
y is the total amount of money per x weeks
y = 7x + 43
Week 1: y = 7(1) + 43 = 50
Week 2: y = 7(2) + 43 = 57
Week 3: y = 7(3) + 43 = 64
Week 4: y = 7(4) + 43 = 71
Week 5: y = 7(5) + 43 = 78