Answer:
tan80°
Step-by-step explanation:
there u gojejdndndj
Create a system of equations
x + y = 123
5x + y = 343
I use substitution
y = 123 - x
5x + 123 - x = 343
4x + 123 = 343
4x = 220
x = 55
Plug in
x + y = 123
55 + y = 123
y = 68
Check
5x + y = 343
5(55) + 68 = 343
275 + 68 = 343
343 = 343
Answer: 1,372
Reasoning:
980 divided by 5 = 196
196 times 7 = 1,372