Answer:
let the grade points be a,b,c
a+b+c=258
b=c+10( since she noticed that on tests two and three,she scored 10 points fewer).
Answer:
1/3
Step-by-step explanation:
first find a common denominator. in this case its 5. now divide both the numerator and denominator by 5 and there you go :)
Answer:
15 weeks.
Step-by-step explanation: