I'm not sure what your variables are, but I will try task 3 with you.
y=$500(in billions)
x= the number of years that have passed since 2009
percentage of decrease: 1 - % =
so your formula will look like this: y(1 - %)^x
Hope this helps. <3 (sorry if it’s a little blurry)
Answer:
Step-by-step explanation:
3x-4y=65
3x=65+4y
x=(65+4y)/3, when y=4
x=(65+4*4)/3
x=(65+16)/3
x=81/3
x=27
Answer:
138 because if u add 60+78 it equals 138
You have to multiply 10 by the number of weeks in a year which is 521.429
table:
1 week=10$ 2 weeks=20$ and so on
