You have to divide both sides by 5 because it states"5t" and you should get "t=20"
Use the rule of 3 simple
x mean 100%
3 mean 15%
-------------------
x = 3*100/15 = 300/15 = 20
hope this will help you
The answer to number one is C
and the answer to number two is A
Down because the slope is negative
It is 10 more in the thousands than the hundreds... multiply 100 x 10...
