1/3 is 0.3333333 and you round it by the 3rd three, so it looks like 0.334
Answer:
147 gallons
Step-by-step explanation:
21 miles x 7 gallons
That would be 8 1/6 * 4/7 = 49/6 * 4/7 = 7*4 / 6 = 28/6 = 4 4/6 = 4 2/3
Answer is 4 2/3 hours
Rewrite it in the form a^2 - b^2, where a = 7q^2 and b = 2
(7q^2)^2 - 2^2
Use the Difference of Squares; a^2 - b^2 = (a + b)(a - b)
<u>= (7q^2 + 2)(7q^2 - 2)</u>