Respuesta :
Answer:
e) none of these
Explanation:
- 65% * 320 + ? = 686
- 208 + ? = 686
- ? = 686 - 208
- ? = 478
Answer:
e) None of these.
Step-by-step explanation:
Let the unknown number be x, then:
0.65*320 + x = 686
208 + x = 686
x = 686 - 208
= 478
Answer:
e) none of these
Explanation:
Answer:
e) None of these.
Step-by-step explanation:
Let the unknown number be x, then:
0.65*320 + x = 686
208 + x = 686
x = 686 - 208
= 478