Answer:
39.75
Step-by-step explanation:
First, subtract 50 from both sides
200z + 50 - 50 = 8000 - 50
200z = 7950
Then isolate the variable by dividing both sides by 200
200z/200 = 7950/200
z=39.75
here is the answer its in the picture and it also has the solution in picture 2
Answer:
$36
Step-by-step explanation:
20x.80=16
20+16=36
Hence, the original price is $36
¿Cuántos años tendre en 2030 si tengo 16 en 2022?
Resolvamos:


Entonces, Tendrás 24 años en 2030.
Espero que te sirva, salu2!!!!