Suppose that the world's current oil reserves is R
=
1840
billion barrels. If, on average, the total reserves is decreasing by
24
billion barrels of oil each year, answer the following

Give a linear equation for the total remaining oil reserves,
R
, in terms of
t
,
the number of years since now.

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250