A decimal form of 9/10 is .90
Yearly budget= $26,760
Fixed expenses per month= $1340
Fixed expenses per year (1340×12) =$16,080
Living expenses per month= $850
Living expenses per year (850×12)= $10,200
Annual expenses= $60
Add ALL the expenses together.
16,080+10,200+60= £26340
Therefore her monthly budget is balanced. Shes not in deficit.
D
Primitevly do it like:
6v-13v-18=-81
- 7v= -63
v=9
P.S Strongly recommend to learn algebra's basics