500/20 = 25kcal per piece
8 * 25 = 200kcal.....yes, he is able to have 8 pieces
<span>4p - 5 • (p + 6)
</span>-p - 30 = -1 • (p + 30)<span>
</span>
<span> -p - 30</span>
3p : 8s
1p : (8/3)s
So for every one 'p' there is (8/3) 's'
Ratio of p to s is 1 : 8/3
There is no link or photo, so no person will be able to help... sorry!
Answer:
57.50+4x=75.10
x=4.4
So she can use up to 4.4 gigabytes of data
