Answer:
I dont see a sample.
Step-by-step explanation:
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).
1 ton is equal to 2,000 pounds, so divide 4.5 million by 2000.
4,500,000 / 2000 = 2250
So the space shuttle weighs 2250 tons.