Answer: 10%
Step-by-step explanation:
500-450 =50
500/100=5
50/5=10
Answer:
(5x) + 50 = y
Step-by-step explanation:
(5x) + 50=y
multiply the number of hours (x) that go by by 5.
then add 50.
s +h = 1070 ( total number of downloads)
Rewrite as s =1070 - h
2.9s + 4.4h = 4393 ( total download size)
Substitute:
2.9(1070-h) + 4.4h = 4393
Simplify:
3103 - 2.9h + 4.4h = 4393
Combine like terms:
3103 + 1.5h = 4393
Subtract 3103 from each side:
1.5h = 1290
Divide both sides by 1.5:
h = 1290 / 1.5
h = 860
Replace h with 860 in first equation to solve for s:
s + 860 = 1070
s = 1070 - 860
s = 210
There were 210 standard downloads and 860 high quality downloads
If she got 9 messages last week and 3rimes as much this week then she got 27 messages because 9x3=27
