The quotient of twice a number and 7 is more than 21

Question

Help i don't get how to do writing  Inequalities

Answer 1

Let x = the number

 

The quotient of twice a number and 7 is 2x/7

 

More than 21 is > 21

 

Combine the two and get

 

2x/7 > 21

 

2x > 7*21 = 147

 

x > 147/2