Question

65%of 320+?=686

Options are:
a) 480
b) 452
c) 461
d) 475
e) none of these​

Answer 1

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 2

e) none of these​

Step-by-step explanation:

• 65% * 320 + ? = 686

• 208 + ? = 686

• ? = 686 - 208

• ? = 478