Answer:108ft^3
Step by step solution: See photo
Julie travelled with 30.5 miler per gallon.
<u>SOLUTION:
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Given, On Julie's trip to the mountains she traveled 192 miles using 6 gallons of gas.
On the return trip she traveled 235 miles on 8 gallons of gas.
We have to find how many miles per gallon did Julie get on the way there?
We know that,

Substituting the values we get,

Hence, Julie travelled with 30.5 miler per gallon on the way there on mountains.
I think $16,250 tax. If you need explanation comment
Answer:
$ 2330
Step-by-step explanation:
a = $240
Earning at the end of fifth week = $ 680
increase in earnings per weak = ( 680 -240)/2 = 440/2 =110
d =110
l = a + (n-1)d
a20 = 240 + (19 * 110 ) = 240 + 2090 = 2330