Answer:
yes, your score is good for a seventh grader.
keep it up and you can score more.
Answer:
x=5/3
Step-by-step explanation:
Suppose a mango cost x dollar and a apple cost y dollar
there will be an binary system of equation
8*x+3*y=18
3*x+5*y=14.5
so soultions have to x=48/31 y=16/31