Answer:
80x+65 2.465 3.865
Step-by-step explanation:
x being the number of years so in ten years he will have 80x10=800+65=865
80x5=400+65=465 so 5 is the number of years it would take
and i do not understand number 1 but i put a formula just in case that was it
2πr + 4a = 8
11 : 9
×2 ×2
22 : 18
×3 ×3
33 : 27
×4 ×4
44 : 36
