Answer:
ok so to solve this you need to do base x height then divide that by 2
Step-by-step explanation:
X : the gas used by first car in 1 particular week
y : the gas used by second car in 1 particular week

Answer:
The answer is $33.6
Step-by-step explanation:
Each small package costs him $2.80
3 small packages will cost him 3 x $2.80 = $8.4
Each large package costs him $3.60
7 large packages will cost 7 x $3.60 = $25.2
Cost to send 3 small packages and 7 large packages = $8.4 + $25.2
= $33.6