Answer :

John spends $3.07

John gets  as his change $6.93

John has a ten dollar bill

He buys a pop for $1.29

He also buys 2 candy bars at $0.89

= 0.89×2

= 1.78

The amount he spends

= 1.29 + 1.78

= 3.07

He spends $3.07

The amount of change he gets can be calculated as follows

10-3.07

= $6.93

Hence John spends $3.07 and gets $6.93 as his change

Read more here

https://brainly.com/question/10946606?referrer=searchResults

#SPJ1