Answer:
x=7
Step-by-step explanation:
9x+20x+16+12x+10+7x-2=360
48x+24=360
48x=360-24
48 x=336
x=336/48=7
Answer:
11 gallons of gas is needed to travel 231 miles.
Step-by-step explanation:
We can set up a proportion for this problem.
<em>For every 62 miles, you use 3 gallons of gas. </em>

Now, let's cross multiply.
≈ 
So, you will need about 11 gallons of gas to travel 231 miles.
Answer:
it is exponent less than 1
Answer:
6.44 square meters
Step-by-step explanation:
To solve for area of a rectangle, multiply the length by the width.

Answer:
8km
Step-by-step explanation:
there are 4 unit between Gabe's house and the library so distance is 4×2=8km